2024 in review: Defense systems

Spy agency ready to launch new vehicle-tracking satellites
After tests go well, NRO director looks to start replacing JSTARS aircraft with orbital sensors.Audrey Decker, Staff Writer
Meet the Air Force’s secretive long-range drone that flies for days
The robot surveillance aircraft can fly for 80 hours without refueling.Audrey Decker, Staff Writer
B-21 production is a go, Pentagon says
Defense undersecretary confirms Northrop Grumman has approval to start making non-test variants of the st