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.
The Air Force is spending heavily on F-22 improvements through the end of the decade, suggesting it may not retire the jet in 2030 as it previously planned. New sensors, fuel tanks, communications, and electronic warfare systems are among the upgrades that comprise the package.