Dubbed “Dragoon,” the satellite was one of the multiple payloads launched from Vandenberg Space Force Base in California on Monday via a SpaceX Falcon 9 rocket as part of the company’s Transporter-14 smallsat rideshare mission, according to SDA. The spacecraft is the first of 12 prototype satellites developed by York Space Systems under SDA’s Tranche 1 Demonstration and Experimentation System (T1DES) program to go on orbit.

In 2022, York Space Systems received a $200 million other transaction agreement from SDA to develop and deliver 12 T1DES platforms that were slated for launch beginning in fiscal 2026. However, the company accelerated delivery of the first payload to prepare it for Monday’s mission “in response to an identified agency need,” York said in a statement.

“The Dragoon mission showcases exactly why our rapid mission delivery model matters,” Melanie Preisser, York’s general manager and executive vice president, said in a statement. “When SDA needed this capability sooner, we didn’t just accelerate, we delivered. That kind of responsiveness is what today’s defense posture demands.”

SDA did not provide many details about the specific demonstration that the recently deployed Dragoon satellite will conduct on orbit, but noted in a statement that the payload will enable “tactical data delivery to warfighter platforms to support capabilities like targeting, missile warning and tracking of advanced missile threats” and “support integration with tactical [SATCOM] system capabilities from low Earth orbit.”

Broadly, birds developed under the T1DES program will augment the Tranche 1 transport layer of the agency’s future mega-constellation known as the Proliferated Warfighter Space Architecture (PWSA) and inform requirements for future programs.

“T1DES will demonstrate mission payloads and configurations for potential proliferation through future tranches of the Proliferated Warfighter Space Architecture in an effort to lower latency of tactical data delivery and enhance beyond line-of-sight targeting capability,” SDA Director Derek Tournear said in a statement. “We’re very pleased to see this prototype space vehicle launch four months ahead of the original T1DES baseline schedule and before the first launch of Tranche 1’s operational space vehicles.”

The PWSA is a planned LEO constellation comprising hundreds of satellites carrying data relay, communications, missile warning and missile-tracking capabilities that will be launched in increments — known as tranches — every two years. The first operational batch of PWSA payloads known as Tranche 1 were expected to launch in September 2024, but supply chain bottlenecks and recent leadership instability have forced the agency to push the mission to late summer 2025.

The remaining 11 T1DES satellites are on track to launch sometime in fiscal 2026, SDA said in a statement. Once deployed, the constellation “will conduct demonstrations and experimentation of TACSATCOM, advanced waveforms, and Integrated Broadcast Service (IBS) capabilities, which are key for future connectivity of joint warfighters around the globe,” according to the agency.

SDA is also pursuing a second batch of experimental birds for Tranche 2 of the transport layer — an effort known as Tranche 2 Demonstration and Experimentation System (T2DES). The agency intends to leverage its new vendor pool established by the Hybrid Acquisition for Proliferated Low Earth Orbit (HALO) program to contract the effort.

The post Space Development Agency accelerates launch of first experimental tactical SATCOM satellite appeared first on DefenseScoop.

“Effective 17 April, 2025, Dr. Derek Tournear will return to his duties as the Director of the Space Development Agency,” a DAF spokesperson said in a statement. 

The department announced Jan. 16 that Tournear was placed on administrative leave pending the results of an ongoing investigation and put Lt. Gen. Philip Garrant, head of Space Force’s Space Systems Command, in charge of the agency temporarily. Garrant was then replaced by William Blauser, deputy director of the Air Force Rapid Capabilities Office, as SDA’s acting director in February.

While the DAF has not provided details regarding the investigation’s scope, Breaking Defense reported that Tournear was placed on administrative leave following an alleged contract dispute over SDA’s award for the Gamma variant of the Tranche 2 Transport Layer.

In August, SDA awarded prototype agreements to Tyvak Nano-Satellite Systems — a Terran Orbital company — and York Space Systems to each develop and build 10 Gamma space vehicles. The variants are intended to advance the agency’s experimental fire control efforts and will be part of SDA’s mega-constellation in low-Earth orbit known as the Proliferated Warfighter Space Architecture.

However, Viasat protested the award in September in the U.S. Court of Federal Claims. According to court documents, Viasat claims the company’s proposal was undervalued by SDA while Tyvak and York Space Systems received additional guidance from the agency on how they could improve their bids, potentially giving them an unfair advantage.

SDA has since revoked Tyvak’s $254 million award for the 10 Gamma variant satellites and announced in March it will recompete the award. The $170 million contract to York Space Systems has not been affected by the bid protest.

As of press time, the Department of the Air Force did not immediately respond to DefenseScoop’s inquiry on the status and results of the investigation into Tournear.

The post Derek Tournear to return as head of Space Development Agency following investigation appeared first on DefenseScoop.

Under the “Iron Dome for America” executive order published in January, Trump has tasked Secretary of Defense Pete Hegseth to create a plan to field a multi-layered missile defense architecture for the U.S. homeland. Given how heavily the directive leans on space-based systems, Chief of Space Operations Gen. Chance Saltzman said the Space Force will likely have a “central role” in the architecture’s development.

“We are leaning forward establishing this technical IPT to start thinking about it from an overarching perspective,” Saltzman told reporters Monday.

With only a few weeks to develop a strategy and deliver it to the president, the Space Force’s new technical integrated planning team (IPT) is currently analyzing technological maturity, cost estimates and capability gaps of space systems that could be part of the architecture.

“What they’re going to do is pull it together and make sure everybody has got eyes wide open before they start saying, ‘Initiate a program here,’” a senior Space Force official said Monday during a background briefing with reporters. “It’s more of a data collection [of] what do we know, and identify what we know we don’t know.”

The directive calls attention to several ongoing space-based missile defense programs — such as sensors onboard the Missile Defense Agency’s Hypersonic and Ballistic Tracking Space Sensor Layer (HBTSS) satellites and the Space Development Agency’s Proliferated Warfighter Space Architecture (PWSA) tracking layer. Both the MDA and SDA have released respective requests for information that ask for industry feedback on possible space-based capabilities for the Iron Dome for America architecture.

The Space Force official noted that the specificity of the Iron Dome for America directive has been helpful for the IPT as they conduct their analysis.

“What that allows us to do is say, ‘Hey, which of the programs that we already have either in place or in development directly support these requirements?’ And these become high priority, obviously, because they came out in an executive order,” the official said. “Then you do a quick gap analysis — what don’t we have [in] capability or what is so far left in terms of tech readiness?”

At the same time, Trump’s EO calls for deployment of “proliferated space-based interceptors,” a new capability that would be able to defeat enemy ballistic missiles during their boost stage of flight. The Space Force official admitted that they weren’t confident of how far along the Space Force or other organizations are in development of the technology, but added it would likely require more time to develop and field.

“One of the worst things to do is bite off a technical challenge that you can’t solve in a reasonable cost frame [and] a reasonable timeframe,” the official said. “And so we’ll be very forthright with … where we think the technology stands at this juncture. I think we’ve got some research that would give us some indications.”

The Space Force official noted that several organizations — such as the Air Force Research Lab, the Defense Advanced Research Projects Agency, the Strategic Capabilities Office and others — are conducting research on future capabilities and their technical feasibility.

“That’s why we call it a technical IPT, because it is a search for what technologies are out there,” they said. “What’s required, and where are we in the levels of their readiness? Can we pull it together in a reasonable time frame? That is exactly what’s going on.”

The post Space Force stands up planning team to assess tech for Trump’s ‘Iron Dome for America’ appeared first on DefenseScoop.

SDA published a solicitation on Wednesday calling for “executive summaries” from vendors interested in performing 60-day studies focused on leveraging the PWSA and other capabilities into the “Iron Dome for America” — a sprawling effort to improve the United States’ defenses against advanced adversary missile threats. Trump’s executive order about the capabilities, issued Jan. 27, envisions a modernized, multilayer missile defense posture that would lean heavily on space-based systems, including the PWSA.

According to the solicitation, SDA is interested in executive summaries of “novel architecture concepts, systems, technologies, and capabilities” to accelerate future PWSA tranches or create new capability layers that would address other emerging requirements.

“SDA is soliciting executive summaries to study and provide recommendations for an Iron Dome for America architecture. These studies will inform SDA on concepts for such an architecture and how the PWSA could contribute,” the document stated.

Trump tasked Secretary of Defense Pete Hegseth to develop a strategy that includes “a reference architecture, capabilities-based requirements and an implementation plan” and deliver it to the president by March 28.

While the directive calls for development of new space-based interceptors, it also pushes for expediting ongoing efforts — including “development and deployment of a custody later of the Proliferated Warfighter Space Architecture,” the EO states.

The PWSA is a planned mega-constellation comprising hundreds of satellites stationed in low-Earth orbit, with a transport layer for data relay and communications payloads and a tracking layer for missile warning and tracking sensors. The program is led by SDA, which intends to launch the satellites every two years in “tranches.”

Trump’s executive order gives the agency the green light to develop and deploy a custody layer within the PWSA architecture. Whereas tracking sensors focus on detecting potential missile threats to provide early warning, a custody layer maintains continuous surveillance on specific targets for “left-of-launch” missile defense.

Some of the agency’s ongoing efforts are already developing custody layer capabilities, such as the experimental Fire-control On Orbit-support-to-the-war Fighter (FOO Fighter) program and the Gamma variant of SDA’s Tranche 2 Transport Layer. But the new call to industry goes a step further by asking for “opportunities to accelerate technically mature and novel phenomenologies into the PWSA Custody Layer and Tracking Layer.”

The solicitation also seeks input on ways to fast-track Hypersonic and Ballistic Tracking Space Sensor (HBTSS) capabilities into the PWSA’s tracking layer, referring to sensors deployed on a constellation of demonstration satellites developed by the Missile Defense Agency that launched last year.

SDA has since decided to adopt the same types of sensors — which use high-fidelity, medium-field-of-view cameras suited for sending targeting data to interceptors — in some of its tracking layer payloads. 

Meanwhile, MDA published its own request for information last month that similarly sought industry feedback as to how it could contribute to Trump’s Iron Dome for America. The document asked industry to provide details on “new system-level capabilities, component concepts, upgrades to existing capabilities, or new [concepts of operations] across the kill chain” that could be delivered or demonstrated in two-year time periods, beginning no later than the end of 2026.

MDA’s RFI points to lines of effort outlined in Trump’s executive order, including acceleration and deployment of HBTSS. It does not, however, specify whether that would mean a follow-on program to operationalize the constellation or development of new medium-field-of-view cameras that would deploy on other satellites.

During a posture hearing in front of the Senate Armed Services Committee on Thursday, head of North American Aerospace Defense Command (NORAD) and U.S. Northern Command Gen. Gregory Guillot underscored HBTSS as a key system for accurately tracking hypersonic missiles.

“We have some capability already that can detect intercontinental ballistic missiles, but those are fairly easy to track because of the ballistic profile,” Guillot said. “Whereas the hypersonics are both maneuverable and much faster, so getting the space-based capability to detect and track those that could cue defeat mechanisms in the end is imperative.”

SDA’s call to industry also outlines six other potential topics for the 60-day study: high-fidelity modeling, simulation and analysis capabilities; optimization of the PWSA’s transport layer in supporting missile defense; supply chain analysis; space and ground architectures; on-orbit sensor data processing, multi-sensor track fusion and low-latency dissemination; and software solutions to enable autonomous satellite operations.

According to the solicitation, the agency is considering awarding multiple vendors to conduct studies and “strongly encourages” submissions to be delivered no later than Feb. 28.

The post SDA solicits industry studies on potential capabilities for Trump’s Iron Dome for America appeared first on DefenseScoop.

SDA is charged with development of the Proliferated Warfighter Space Architecture (PWSA), a planned mega-constellation comprising hundreds of data relay, missile warning and missile tracking satellites stationed in low-Earth orbit.

The department first announced Jan. 16 that SDA head Derek Tournear had been placed on administrative leave pending the results of an ongoing investigation. At the time, officials placed Lt. Gen. Philip Garrant, currently serving as commander of the Space Force’s Space Systems Command (SSC), in charge of the agency on a temporary basis.

“Given the importance of space acquisition programs, both the Space Development Agency and Space Systems Command require full-time leadership, and the Department of the Air Force has named Mr. Blauser as SDA’s new acting director,” a spokesperson said in a statement.

The decision to place Tournear on administrative leave came from then-Assistant Secretary of the Air Force for Space Acquisition and Integration Frank Calvelli. Although the DAF has not commented on the specific nature for the investigation, Breaking Defense reported that Tournear allegedly did not follow appropriate contracting procedures ahead of SDA’s award for the Gamma variant of the Space Force’s Tranche 2 Transport Layer in August.

Blauser has been serving as the deputy director of the Air Force Rapid Capabilities Office since July 2024, where he oversees the service’s study, development and fielding activities for a range of emerging technologies.

Prior to his current role, he has held numerous acquisition and leadership positions within government — including at the National Reconnaissance Office, the Office of the Secretary of Defense and U.S. Special Operations Command. Blauser also has previous experience working in the defense industry.

Blauser will now lead SDA during the highly anticipated launch of the first operational batch of PWSA space vehicles — slated for sometime in March or April of this year — while it continues to contract for future tranches.

The post SDA gets new acting director amid investigation of Derek Tournear appeared first on DefenseScoop.

Under the directive, titled “Iron Dome for America,” Secretary of Defense Pete Hegseth is required to develop “a reference architecture, capabilities-based requirements and an implementation plan” to address emerging aerial threats against the U.S. homeland. The strategy, due to the president in the next 60 days, must focus on defense against ballistic, hypersonic, advanced cruise missiles and other aerial platforms.

“Over the past 40 years, rather than lessening, the threat from next-generation strategic weapons has become more intense and complex with the development by peer and near-peer adversaries of next-generation delivery systems and their own homeland integrated air and missile defense capabilities,” the EO states.

The directive comes after Trump promised to create a “great Iron Dome shield” over the United States in June during his presidential campaign, referencing the Israeli air defense system built by Rafael. While Israel’s capability is designed to intercept short-range rockets and artillery, it’s clear that Trump’s vision for America’s own Iron Dome shield considers a greater range of threats and technologies.

Notably, the order calls for development and deployment of “proliferated space-based interceptors” stationed on orbit that can defeat ballistic missiles during the boost stage of flight.

The inclusion of space-based interceptors will likely be a source of contention in the executive order’s execution, Todd Harrison, senior fellow at the American Enterprise Institute, told DefenseScoop. Fielding such weapons has been a controversial matter that was floated by the first Trump administration in 2018, but did not receive traction during President Joe Biden’s term.

The concept for space-based interceptors was a centerpiece of President Ronald Reagan’s Strategic Defense Initiative in the 1980s, which was abandoned due to technological immaturity and expensive price tags at the time. Critics referred to it derisively as a “Star Wars” project. But the cost of putting satellites on orbit has reduced drastically in recent years, largely due to advancements made by Elon Musk’s SpaceX business.

“When Ronald Reagan wanted to do it many years ago, luckily we didn’t. We didn’t have the technology then. It was a concept but we didn’t have” sufficient tech, Trump said Monday evening during remarks to lawmakers at his Trump National Doral resort in Miami. “Now we have phenomenal technology. You see that with Israel, where out of 319 rockets [launched against them] they knocked down just about every one of them. So I think the United States is entitled to that. And everything will be made right here in the USA, 100 percent.”

However, there are still technological limitations to the weapons that require additional study and analysis before the Pentagon can field them at scale, Harrison said.

“If you have a system that’s designed so that there’s always at least one interceptor within range, you could shoot down any one missile. But if someone launches a salvo of two missiles, the second will get through,” he said. “You would have to double the size of your constellation in order to shoot down two at once, and you would have to quadruple it to shoot down four at once. So it quickly becomes cost prohibitive the way it scales.”

Space-based interceptors would be ideal for threats posed by Iran or North Korea, neither of which currently have significant numbers of intercontinental ballistic missiles (ICBMs). But against nations with larger ICBM arsenals like China and Russia — considered by the Defense Department as the United States’ most pressing military adversaries — the weapons aren’t as effective, Harrison added.

Given the growing importance of space as a warfighting domain, however, kinetic and non-kinetic space-based weapons will become more common in missile defense solutions, according to Tom Karako, director of the Missile Defense Project at the Center for Strategic and International Studies. 

“It’s not necessarily going to be 10,000 things, it may be more limited,” Karako told DefenseScoop. “But the genie is out of the bottle. The past paradigms of strategic stability have kind of vaporized and vanished before our eyes over the last decade … The world has changed, and we’re going to have to change with it.”

Trump’s executive order prioritizes several ongoing space-based missile defense programs, as well. It calls for “acceleration of the deployment” of the Missile Defense Agency’s demonstration Hypersonic and Ballistic Tracking Space Sensor Layer (HBTSS) satellites.

The directive also tasks the Space Development Agency to develop a custody layer within its Proliferated Warfighter Space Architecture (PWSA), a planned mega-constellation comprising hundreds of satellites carrying data relay, missile warning and missile tracking capabilities.

Harrison noted that SDA had previously considered incorporating a custody layer into its architecture as part of future tranches, and Trump’s order now gives the agency the green light to move forward.

A deployed custody layer, which continuously tracks and keeps eyes on enemy missile threats, would also contribute to the EO’s directive to deploy capabilities that can defeat missile attacks prior to launch, he added.

“Previously, they planned to just use other people’s systems and make kind of a virtual custody layer,” Harrison said. “I think that’s one of the biggest changes here, is they’re giving [SDA] the go-ahead for that.”

Space-based capabilities aren’t the only elements of Trump’s directive, as the executive order calls for “deployment of underlayer and terminal-phase intercept capabilities postured to defeat a countervalue attack.” That would likely mean bolstering the United States’ arsenal of ground-based interceptors with additional systems already available.

“The foundation for an Iron Dome for America needs to start with air and cruise missile defense,” Karako said. “That’s our biggest gap area. That’s our biggest, near-term vulnerability that we have very little capability against, and so we need to get after that.”

After submitting his plan for homeland missile defense to the White House, Hegseth has been tasked to conduct a subsequent review of theater missile defense postures. Per Trump’s executive order, the follow-on should include options for protecting forward-deployed troops; accelerating provisions of missile defenses capabilities to allies and partners; and increasing international cooperation on relevant technology development, capabilities and operations.

A large question for the Defense Department as it carries out its review will be the cost of developing and deploying such a large missile defense architecture. The order requires an accompanying funding plan that can be examined and included in the upcoming budget request for fiscal 2026, but the EO offers no insight into how much the Pentagon would have to spend.

Some previous cost estimates for a large-scale architecture with space-based interceptors have been upwards of $100 billion, although others have said it could be built for a fraction of that amount.

Harrison estimated the missile defense efforts outlined by Trump would require substantial long-term investment, likely costing billions of dollars per year over at least the next decade.

“That impacts the question of, are they going to request more defense funding overall or will this come at the expense of something else within the defense budget? It’s not clear, because the administration has not been all that forthcoming about their plans for the defense budget overall,” he said.

The post Trump revives push for space-based interceptors in ‘Iron Dome for America’ edict appeared first on DefenseScoop.

The two satellites were stationed in low-Earth orbit as part of the Space Development Agency’s Tranche 0 — a batch of experimental systems launched in 2023 that serve to test and validate SDA’s future mega-constellation known as the Proliferated Warfighter Space Architecture (PWSA). The on-orbit demonstration involved a data transport satellite built by York and a SpaceX missile tracking platform on two separate network layers and orbital inclinations that were able to successfully close a laser comms link, according York.

“Achieving the first inter-vendor, inter-layer laser link demonstrates the tangible value of open standards and collaborative efforts in rapidly achieving an integrated space architecture,” York CEO Dirk Wallinger said in a statement. “We are proud to support SDA’s vision for an interconnected space architecture for the warfighters.”

SDA envisions the PWSA as a constellation comprising hundreds of satellites built by multiple vendors that carry critical communications, data relay, missile warning and tracking capabilities for the Defense Department.

To ensure platforms built by different vendors can pass data with each other, each of the PWSA birds carry optical inter-satellite links that meet a standardized protocol published by and required the agency. 

“Laser communication links, which enable high-speed, secure data transmission, are an enabling capability for next-generation satellite networks,” York stated in a press release. “By successfully demonstrating the first LEO-to-LEO laser communication link between satellites from different vendors, York and SDA have taken a significant step toward realizing the vision of a unified, multi-vendor satellite communications network.”

The demonstration marks another critical milestone for SDA as it prepares to launch the first operational batch of PWSA satellites, known as Tranche 1, in the coming months.

SDA Director Derek Tournear has said in the past that space-based laser communications will be a significant technical hurdle to overcome as the agency validates the PWSA concept. In September 2024, Tournear said that two Tranche 0 missile warning and missile tracking satellites built by SpaceX established laser link comms — paving the way for inter-vendor networking demonstrations.

At the same time, SDA is also planning to have the PWSA connect with other military constellations and, eventually, commercial satellites. The agency wants to use “translator satellites” that can connect its Tracking Layer space vehicles to the Space Force’s future missile warning and tracking constellation stationed in medium-Earth orbit. Additionally, SDA wants to use “hybrid” communications terminals built by commercial vendors that can connect their constellations to the PWSA.

The post SDA demos laser link between 2 vendors for future SATCOM, missile tracking network appeared first on DefenseScoop.

“We do not have the industrial capacity built today to get after this,” Vice Chief of Space Operations Gen. Michael Guetlein said Dec. 7 during a panel at the Reagan National Defense Forum. “We’re going to have to start getting comfortable with the lack of efficiency in the industrial base to start getting excess capacity so that we have something to go to in times of crisis and conflict.”

Resilience through proliferation

Historically, the Defense Department tended to develop a few very large and exquisite satellites to conduct critical military missions. But with the growing use of space as a warfighting domain by both the United States and its adversaries, the Pentagon is now focusing on different ways to build resilience in its space systems — such as by launching hundreds of smaller, inexpensive satellites for a single constellation.

At the forefront of the relatively novel approach is the Space Development Agency’s spiral acquisition strategy that is being used for the Proliferated Warfighter Space Architecture (PWSA). Once it’s built out, the constellation is expected to comprise hundreds of satellites in low-Earth orbit (LEO) and include space vehicles carrying different communications, data relay, missile warning and missile tracking capabilities.

SDA plans to field systems in batches every two years, with each iteration carrying the latest technology available. Although the first operational satellites known as Tranche 1 were slated to launch in fall 2024, that deadline has since been delayed to March or April 2025 due to supply chain bottlenecks, according to SDA Director Derek Tournear.

“I will say that what we’re seeing in the supply chain in the small LEO market has caught up to what SDA’s needs are, but it took them about eight months longer than they anticipated to ramp up,” Tournear said during a panel at the Reagan National Defense Forum. 

A total of 158 satellites are being developed for Tranche 1 of the PWSA: 126 data transport sats, 28 missile warning/missile tracking sats and four missile defense demonstration sats. The agency will also launch 12 tactical demonstration satellites under the Tranche 1 Demonstration and Experimentation System (T1DES) initiative to test new capabilities that can be leveraged in future PWSA tranches.

Across that order, four prime contractors are on the program — York Space Systems, Northrop Grumman, Lockheed Martin and L3Harris — and each of them is working with dozens of subcontractors.

Executives from various Tranche 1 primes who spoke to DefenseScoop acknowledged that they encountered supply chain bottlenecks in their work for the contract. Issues have now mostly been resolved and the vendors are on track to launch by the new deadline, they said.

However, companies are still using those lessons learned to mitigate setbacks for future tranches that go beyond just purchasing long-lead items.

“We’re seeing the results of that demand signal that SDA has been sending us on a very consistent basis through their spiral tranche acquisition. Is it perfect yet? No. We’ve got some places to go,” Rob Mitrevski, vice president and general manager of spectral solutions at L3Harris, said in an interview.

Tranche 1 isn’t the first time SDA has experienced delays. The agency was forced to push back the launch of Tranche 0 — a group of 27 satellites that served as a proof of concept for the entire PWSA — by about six months.

The holdup was attributed to supply chain bottlenecks that emerged during the COVID-19 pandemic when many manufacturers were forced to slow or stop production lines. Specific microelectronic components such as resistors were particularly difficult to buy, Mitrevski noted.

The recent issues aren’t caused by COVID-19 conditions, but are instead reflective of the sheer volume of systems SDA is asking of its contractors and an industrial base that wasn’t quite ready to meet the increased demand.

“I think a lot of that has been just scaling — getting past designing tens of things to designing lots of things,” Louis Christen, senior director of proliferated systems at Northrop Grumman, said during a tour of the company’s Space Park facility in Redondo Beach, California, where it’s manufacturing Tranche 1 birds.

To alleviate potential risk, Northrop Grumman has been moving through production as much as possible and building multiple satellites in parallel, Christen said. Working very closely with its multiple subcontractors throughout the process has been another critical strategy.

“Although they’re commercial suppliers, we’re not just buying stuff from them. We’re a partner. We’re there on a daily basis and helping prop them up,” he said.

Dirk Wallinger, CEO and president of York Space Systems, said challenges the company had weren’t specific to its Tranche 1 contracts, but actually reflect a lack of diversity in the supply chain that is affecting the entire space industry. 

“One of the key bottlenecks results from [requests for proposals] with subsystem performance specifications that inadvertently narrow the qualified vendor pool to a single supplier,” Wallinger told DefenseScoop. “This limits the value tradeoffs of all of the prime contractors and by creating dependency on sole-source suppliers, exacerbates delays.”

Addressing the problem would require rethinking high-level performance requirements in a manner that would diversify the supplier base and enable more competition in industry, he added.

L3Harris is also trying to move away from single or sole-source suppliers by building strong relationships with the swath of subcontractors it has worked with on all three of its contracts for the PWSA, Mitrevski said.

“The supply chain works to create scale over time, and the scale is created through a diverse group of suppliers,” he said. “What you’ve seen in the way we’ve evolved from [Tranche 0] through now [Tranche 1] and [Tranche 2] is a continual improvement of the scale and diversity in that supply chain.”

Wallinger noted that they’ve found the most effective way to mitigate supply chain risks has been to buy satellite buses from providers ahead of receiving mission specifications. In the future, it’s crucial that the government secures these long-lead items as early as possible to effectively eliminate delays, he added.

“Schedule risk is mostly induced from bus component suppliers, not mission payload developers,” Wallinger said. “Commoditized satellite buses are the only ones being considered, and by definition can support a range of mission sets. They are the critical component to procure in advance.”

Mitigating future delays

While SDA has tried to ensure its system requirements can leverage readily available hardware, Tournear said there are some components that must be tailor-made for the Tranche 1 satellites. Mesh network encryption devices that are approved by the National Security Agency have been a significant headache because there’s only one manufacturer able to make them, he said.

The agency has adjusted its timeline expectations for future PWSA tranches to allow more time for vendors to build their platforms, adding several months to overall production time.

Mitrevski also noted that SDA’s overall strategy to fund development of capabilities that can be tested early on is beneficial. 

“They have a number of efforts where they’ve clearly acquired leading-edge capabilities with the intention of driving the maturity level of those leading-edge capabilities forward and then make use of them later on,” he said. 

York Space Systems has also discussed with SDA ways to mitigate risks outside of supply chain diversification, Wallinger said. One area of improvement could be ensuring long-lead items are aligned with current and future mission requirements, he noted.

“We have had several instances where the second- and third-tier suppliers had stock on hand, but that stock didn’t have the right interface protocols or didn’t have the right form factor, and couldn’t be used to meet the actual mission needs,” he said. “So you had those suppliers spending capital on things that simply had to be completely redone at a cost to the [U.S. government] and us.”

But with plans to only grow the number of military satellites on orbit — not just for the PWSA, but also other programs across the Defense Department — SDA’s work is likely going to create a ripple effect of both growth and demand within the industrial base. The supply chain woes are serving as a “canary in the coal mine” for the national security space community writ large, and will require the entire department’s effort to fix them, Guetlein said.

“Because of the quantities that he’s ordering, he’s now starting to uncover the challenges that we have with the industrial base,” Guetlein said, referring to Tournear. “And these challenges are significant, and we need to figure out how to get after them.”

The post Space industrial base racing to meet growing demand for military satellites appeared first on DefenseScoop.

As part of the HALO pool of pre-approved vendors, the selected businesses will now be able to compete for demonstrations and experimentation task orders that will support future tranches of SDA’s Proliferated Warfighter Space Architecture (PWSA). Each company has received an other transaction agreement (OTA) with an initial $20,000 to compensate for administrative and other expenses, according to the agency.

HALO task orders will focus on “rapid end-to-end mission demonstrations with launch of two identical satellites 12-18 months after award,” according to SDA.

The first prototype orders for HALO will be for the Tranche 2 Demonstration and Experimentation System (T2DES) project — intended to augment the Tranche 2 transport layer of communications and data relay satellites by demonstrating proliferation of future tactical data links and optical communications missions.

“Through HALO, SDA has an even faster and more flexible contracting mechanism in place to compete and award T2DES and other SDA demonstration projects,” SDA Director Derek Tournear said in a statement. “We believe HALO will also increase the pool of performers capable of bidding on future SDA programs, including participation in layers of future tranches.”

The PWSA is expected to comprise hundreds of satellites in low-Earth orbit (LEO) that carry critical warfighting capabilities for data transport and missile defense missions. SDA is fielding the constellation in tranches. It plans to launch the first operational batch of satellites in early 2025, with each subsequent tranche going on orbit every other year.

The agency is also leveraging the PWSA to test out emerging capabilities on orbit through a range of experimental projects, including T2DES and the Fire-control On Orbit-support-to-the-war Fighter (FOO Fighter) program, among others.

Although SDA has not shied away from giving contracts to defense space newcomers, many of the awards for the PWSA have gone to well-known players like Lockheed Martin and Northrop Grumman. On the other hand, HALO looks to open doors for non-traditional and commercial companies to work with the agency and mature their technologies.

The companies chosen for the initial HALO vendor pool are: Airbus U.S. Space & Defense; Apex Technology; ST Space Mobile USA; Astro Digital; Capella Space; CesiumAstro; Firefly Aerospace; Geneva Technologies; Impulse Space; Kepler Communications; Kuiper Government Solutions; LeoStella; Momentus Space; Muon Space; NovaWurks; SpaceX; Turion Space; Tyvak Nano-Satellite Systems; and York Space Systems.

Only firms that have been selected to participate in the vendor pool will be able to compete for the prototyping efforts under HALO. SDA expects to award multiple contracts each year for the effort and will review the pool periodically, according to the agency.

The post SDA establishes pool of 19 vendors for future space demonstration projects appeared first on DefenseScoop.

Tyvak Nano-Satellite Systems — a Terran Orbital company based in Irvine, California — is one of two contractors selected to build Gamma variant platforms for tranche two of the data transport layer of the Pentagon’s Proliferated Warfighter Space Architecture (PWSA), the agency announced Friday.

Tyvak was awarded a prototype agreement with a total value of approximately $254 million to build and operate 10 platforms, according to a release.

Denver-based York Space Systems, which was already doing prime vendor work for the agency, was also awarded a prototype agreement with a total value of about $170 million to build and operate 10 satellites.

Launches are slated to begin in late fiscal 2027.

SDA is once again using other transaction authority to get companies on contract. It received eight bids for the tranche two gamma variant before picking the winners, according to the agency.

“With these T2TL – Gamma awards, we are closing out the hardware procurement phase for Tranche 2 of the Proliferated Warfighter Space Architecture to support delivery beginning in 2026 to achieve our full warfighting capability,” SDA Director Derek Tournear said in a statement. “The T2TL – Gamma space vehicles will demonstrate global communications access and operationalize persistent global encrypted connectivity to support missions like beyond line of sight targeting.”

The PWSA is expected to eventually include hundreds of satellites stationed in low-Earth orbit. SDA is deploying them in successive batches known as tranches. The architecture includes a data transport layer and a missile warning and missile-tracking layer.

The architecture is a key component of the Pentagon’s future warfighting construct known as Combined Joint All-Domain Command and Control (CJADC2), a departmentwide effort to better connect the data streams, sensors and shooters of the U.S. military services and key allies and partners under a more unified, fast-moving network.

The data layer will comprise satellites across three different configurations called Alpha, Beta and Gamma, respectively, that have common baseline mission payloads but provide different capabilities. According to a solicitation issued earlier this year, the Gamma variants will be uniquely equipped with the secretive Warlock mission payload that is “specifically designed to close future kill chains.”

SDA previously awarded contracts to Northrop Grumman and York Space Systems for the Alpha variants of tranche two, and to Lockheed Martin, Northrop Grumman and Rocket Lab National Security for the Beta variants.

The post SDA adds new prime vendor for proliferated warfighter architecture appeared first on DefenseScoop.