Maj. Ralph Royce leads a mass flight of AAC pilots flying Curtiss P-1C Hawks from Selfridge Field, Mich., to Spokane, Wash., and back during severe winter weather to gain experience for flying in the Arctic. Royce is awarded the 1930 Mackay Trophy for the flight.
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.
