Astronauts on space shuttle Endeavour, piloted by USAF Col. Richard O. Covey, perform a record five days worth of spacewalks to repair the Hubble Space Telescope.
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.