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Sierra Space

Rendering of Northrop Grumman’s GAS-T design that will leverage an ESPAStar-D satellite platform to add fuel and extend the life of in-orbit assets. (Northrop Grumman image)

Space Force brings 14 vendors into $1.8B next-gen space domain awareness program

The first delivery under the Andromeda contract vehicle will be for the RG-XX constellation.

Apr 10, 2026 By Mikayla Easley

Rendering of a L3Harris missile warning satellite (L3Harris image)

Space Development Agency picks 3 vendors to build next layer of missile tracking satellites

Six of the satellites in the Tranche 2 tracking layer will provide fire control-quality data to warfighters, an SDA official said.

Jan 16, 2024 By Mikayla Easley