Arnold Engineering and Development Center in Tennessee has wrapped up wind tunnel testing on a 1/12 scale model of the F-35 Joint Strike Fighter for the Air Force’s conventional takeoff and Marine Corps’ short takeoff and landing variants. Center officials say AEDC ran more than 8,000 hours on the JSF. Data from the tests goes into the fighter’s aerodynamic database for analysis prior to flight test of the actual aircraft.
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.