Space Development Agency Releases Tranche 2 Gamma Solicitation

Northrop Grumman rendering of its Tranche 2 Transport Layer satellites.

Credit: Northrop Grumman
The Space Development Agency (SDA) on March 26 released its final solicitation for the Tranche 2 Tracking Layer-Gamma constellation of secretive space vehicles focused on encrypted connections and fire control. The solicitation calls for 20 space vehicles from one vendor, with a fourth optical...
Brian Everstine

Brian Everstine is the Pentagon Editor for Aviation Week, based in Washington, D.C. Before joining Aviation Week in August 2021, he covered the Pentagon for Air Force Magazine. Brian began covering defense aviation in 2011 as a reporter for Military Times.

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