C.J. Gaecke (left) and Bryan Duran, Lockheed Martin structure mechanics, pose in front of the last U-2 of 22 to receive Cockpit Altitude Reduction Effort modifications on June 25, 2013 at Beale Air Force Base, Calif., to complete the project Lockheed Martin crews worked 10 hour shifts six days a week from September 2012 to June 2013. The upgrades virtually eliminate the risk of decompression sickness and hypoxia. (U.S. Air Force photo by Airman 1st Class Bobby Cummings/Released)