The Space Development Agency is planning for three variants for the Tranche 3 Transport Layer to accommodate different communications types with its constellation of satellites, director Derek Tournear said last week while also providing updates on other efforts. The third operational set of communications satellites for the Proliferated Warfighter Space Architecture will be solicited in three sets: Lambda will run with Link 16 connections. Upsilon will run ultra-high frequency (UHF) and S-band connections. Sigma will run advanced S-band connections. Link...
