
The U.S. Space Force's Space Development Agency (SDA) issued a solicitation this week for one contractor to build about 20 Tranche 2, Transport Layer (T2TL)-Gamma satellites, the final in the T2TL series. The T2TL Alpha and Beta satellites, which are to begin launches in September 2026, are to have three optical communications terminals (OCTs), and the Gamma satellites are to add a fourth OCT and a classified “Warlock" mission payload. The T2TL-Gamma satellites are to launch by June 1, 2027.…