AWACS upgrades
Workers at Tinker AFB, Okla., install critical 40/45 upgrades to E-3 Airborne Warning and Control System aircraft during programmed depot maintenance to the U.S. Air Force fleet in 2014. The Boeing Co. will execute phase one of a similar upgrade process to the Royal Saudi Air Force's fleet of five AWACS after winning a $240 million contract in October, 2017. (Courtesy photo)

Download Image: Full Size (0.25 MB)
Tags: mission
Photo by:  |  VIRIN: 141201-F-FP939-001.JPG