Airframe: Alabama Air National Guard F-16s of the 187th Fighter Wing, supported by a KC-135 tanker, arrive over Romania for Exercise Dacian Viper, Oct. 13, 2015. A dozen Alabama F-16s and some 150 pilots, maintainers, and support personnel returned from Campia Turzii AB, Romania, earlier this month. (Air Force photo by SSgt. Matthew Bruch) (Click on image above to reach wallpaper version.)
Pentagon Cancels $6B GPS Ground System Contract
April 20, 2026
The Pentagon has canceled its contract with RTX to field a ground segment to manage its most capable GPS satellites, a more than 15-year effort beleaguered by software development issues and cost overages.