MODERNIZING THE MILITARY'S SPACE ARCHITECTURE

WHO WE ARE

The Space Development Agency orchestrates the development and fielding of DoD's future threat-driven National Defense Space Architecture. SDA uses novel approaches to accelerate the military space capabilities necessary to ensure U.S. technological and military advantage in space for national defense.

CAPABILITY LAYERS

TRANSPORT LAYER

SDA's Transport Layer will provide assured, resilient, low-latency military data and communications connectivity worldwide to a full range of warfighter platforms.

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BATTLE MANAGEMENT LAYER

SDA's Battle Management Layer will provide architecture tasking, mission command and control, and data dissemination to support time-sensitive kill chain closure at campaign scales.

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TRACKING LAYER

SDA's Tracking Layer will provide global indications, warning, tracking, and targeting of advanced missile threats, including hypersonic missile systems.

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CUSTODY LAYER

SDA's Custody Layer will provide 24/7, all-weather custody of time-sensitive, left-of-launch surface mobile targets to support targeting for advanced weapons.

 

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EMERGING CAPABILITIES (DETERRENCE) LAYER

SDA's Emerging Capabilities Layer will incubate new mission concepts. Initial focus will be to deter hostile action in deep space (beyond Geosynchronous Earth Orbit (GEO) up to lunar distances).

 

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NAVIGATION LAYER

SDA's Navigation Layer will provide alternate positioning, navigation, and timing (PNT) for Global Positioning System (GPS)-denied environments.

 

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SUPPORT LAYER

SDA's Support Layer will enable ground and launch segments to support a responsive space architecture.

 

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SDA Issues Request for Information for Future Space-To-Air Optical Communication Terminals

Posted On: January 28, 2026 Response Date: February 27, 2026 Space Development Agency (SDA) today published a request for information (RFI) seeking industry solutions for airborne optical communication terminals. This initiative aims to equip aircraft with the ability to connect directly to SDA’s Proliferated Warfighter Space Architecture (PWSA), a resilient network of satellites in low…

Space Development Agency Makes Awards to Build 72 Tracking Layer Satellites for Tranche 3

Date: Dec. 19, 2025 Tracking Layer Tranche 3 expands upon missile warning/missile tracking and missile defense capabilities deployed in Tranches 1 and 2 WASHINGTON, D.C. – The Space Development Agency (SDA) today announced the award of four agreements, with a total value of approximately $3.5 billion, to build 72 Tracking Layer satellites to proliferate missile…

Space Development Agency Completes Successful Launch of First Tranche 1 Satellites

Photo credit: SpaceX

Acting Director Announced for Space Development Agency

Sept. 8, 2025 WASHINGTON, DC – The Space Development Agency (SDA) today announced the selection of Dr. Gurpartap “GP” Sandhoo as the acting director of SDA, where he will lead the strategic direction and  program execution for acquisition, delivery, and operations of the Proliferated Warfighter Space Architecture (PWSA). Sandhoo, most recently the agency’s deputy director,…

Space Development Agency demos key space-to-air communications link

Date: September 2, 2025 | Outlet: Defense News | By: Courtney Albon In a series of trials this summer, the Space Development Agency and its industry team demonstrated two-way optical communications between a satellite and an aircraft in flight — a milestone for the agency’s efforts to establish a secure, high-speed, communications network that can…

New Deputy Director Announced for Space Development Agency

July 8, 2025 WASHINGTON, DC – The Space Development Agency (SDA) today announced the selection of Dr. Gurpartap “GP” Sandhoo as the new Deputy Director of SDA, where he supports the director in the daily management of the organization and the execution of the development, fielding, and operation of the Proliferated Warfighter Space Architecture. Sandhoo…

What SDA’s latest win signals for military space

Date: July 1, 2025 | Outlet: Defense One | By: Amber Corrin The Space Development Agency’s experimental satellite program just kicked off with a record-fast shift into full operating mode, offering what officials see as a promising start for an ambitious military space strategy. The Dragoon spacecraft, launched June 23, is the first of 12…

SDA Seeks Proposals from HALO Pool Vendors for the Tranche 2 Demonstration and Experimentation System (T2DES) Europa Program

Posted On: July 1, 2025 Responses Due: Just 28 2025 SDA seeks industry proposals from Hybrid Acquisition of Low-Earth Orbit (HALO) pool prime contractors under an Other Transaction Authority (OTA) solicitation for the Europa Program, a demonstration that will be part of the Tranche 2 Demonstration and Experimentation System (T2DES). Technologies and methods matured through…

Space Development Agency Completes Successful Launch of T1DES Prototype Satellite

Date: June 24, 2025 SDA delivers first of 12 risk reduction satellites on orbit for experimentation and demonstration WASHINGTON, D.C.– The Space Development Agency today announced the successful launch from Vandenberg Space Force Base, California, of the first prototype among 12 risk reduction satellites comprising the Tranche 1 Demonstration and Experimentation System (T1DES) constellation that…

Military satellite program highlights role of ‘mission integrators’

Date: May 8, 2025 | Outlet: Space News | By: Sandra Erwin WASHINGTON — The Pentagon is ramping up efforts to bring commercial technology into military systems, betting that private-sector speed and innovation can help modernize U.S. defense programs, especially in space. This push could increase the demand for so-called “mission integrators”—engineering firms that specialize…