Northrop Grumman will supply 36 satellites for SDA’s Tranche 2 Transport Layer-Beta Data Transport Layer. (Northrop Grumman image) SDA exploring new waveforms for future tranches of data transport satellites "The next big debate going on for transport is: what are the next tactical data links that we’re going to proliferate in Tranche 3?" SDA Director Derek… Apr 11, 2024 By Mikayla Easley