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Tranche 1

Space Development Agency’s new Deputy Director comes from Quantum Space

July 9, 2025

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 […]

Filed Under: Business Moves, Department of Defense (DoD), Deputy Executive Director, DIrector, Intelligence Advanced Research Projects Activity (IARPA), Milestone, Military, Northrop Grumman, Proliferated Warfighter Space Architecture (PWSA), Quantum Space, Space, Space Development Agency (SDA), Tranche 1, U.S. Space Force, Warfighters

SpaceX launches Space Development Agency’s 1DES Prototype Satellite the first of 12 risk reduction satellites

June 24, 2025

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 […]

Filed Under: Defense Payloads, Demonstrations, Falcon 9, IBC, Integration, Military, Missile, Missile Defense, Missile Warning, Missile Warning Satellites, News, Prototype Satellites, Prototypes, Risk Management, Risk Mitigation, Rocket, Rocket Engine, Space Architecture, Space Development Agency (SDA), SpaceX, SpaceX Falcon 9, SpaceX Rideshare, TACSATCOM, Tactical, Tactical Comms, Tactical SATCOM, Targeting, Tracking, Tranche 1, Vandenberg SFB, Warfighters, Warfighting Space Architecture, Waveforms, York Space Systems

Axiom Space to launch Orbital Data Center nodes

April 7, 2025

Axiom Space has revealed that the company will launch the first of two Orbital Data Center (ODC) nodes to LEO, by year’s end. These nodes will lay the foundation for […]

Filed Under: Axiom Space, Kepler Communications, LEO, News, Optical Data Relay Network, Orbital Data Center (ODC), SmallSat, smallsats, Space Development Agency (SDA), Space-Based Cloud Computing, Tranche 1

Northrop Grumman completes CDR for the SDA’s Tranche 1 Tracking Layer

November 15, 2023

Northrop Grumman Corporation (NYSE: NOC) recently completed the company’s Critical Design Review (CDR) on a proliferated LEO constellation of 16 missile tracking satellites for the Space Development Agency (SDA), clearing […]

Filed Under: Agencies, Constellation, Constellations, Military, Military Defense, Military Space, News, Northrop Grumman, Proliferated Warfighter Space Architecture (PWSA), PWSA, SmallSat, smallsats, Space Development Agency (SDA), Tranche 1, Tranche 1 Tracking Layer (T1TL), Tranche 1 Transport Layer (T1TL), United States Government (USG) Tagged With: Featured

MDA selected by L3Harris for SDA’s Tranche 1 Tracking Layer constellation

June 7, 2023

MDA Ltd. (TSX:MDA) has been awarded a contract from L3Harris Technologies (NYSE:LHX) as part of the Space Development Agency’s (SDA) Tranche 1 Tracking Layer program. MDA will design and build […]

Filed Under: Agencies, Business Moves, Constellation, Contracts, L3Harris Technologies, LEO, MDA, Military Space, SmallSat, Space Development Agency (SDA), Steerable Antennas, Tranche 1 Tagged With: Featured

SDA awards York Space Systems million$$$ for Tranche 1 demo + experimentation system

October 7, 2022

The Space Development Agency (SDA) has awarded a firm-fixed price, Other Transaction prototype agreement, with a total potential value of approximately $200 million, to York Space Systems of Denver, Colorado, […]

Filed Under: Award, Business Moves, Contracts, Military, SDA, SmallSat, TACSATCOM, Tranche 1, U.S. Space Force Tagged With: Featured

L3Harris brings Maxar into their Tranche 1 Tracking Layer contract with the SDA for the design + production of 14 spacecraft

August 11, 2022

Maxar Technologies of Westminster, Colorado, announced on August 9th the firm had been selected by L3Harris Technologies for the design and production of 14 spacecraft platforms and associated support for […]

Filed Under: Agencies, Business Moves, Constellations, Contracts, Hypersonic, LEO, Military, NDSA, Platform, SDA, SmallSat, Tranche 1, Warfighting Tagged With: Featured

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