NRO Joins Pentagon Exercises, ‘Making Progress’ on New Targeting Satellites
Northrop Grumman's low-Earth orbit constellation of satellites detecting missile launches by an unidentified adversary. Northrop Grumman was selected to build 14 satellites with infrared sensors for the Space Development Agency’s Tranche 1 Tracking Layer (T1TRK) to detect, identify, and track hypersonic weapons and missiles from their earliest stages of launch









