621CRS works alongside 730 AMS
Crew chiefs with the 621st Contingency Response Squadron search for foreign objected debris at Yokota Air Base, Japan, Aug. 16, 2016. The 621 CRS Airmen visited Yokota to work alongside the 730th Air Mobility Squadron, gaining experience on a variety of air frames, including C-5s, C-17 Globemaster IIIs, and civilian aircraft. (U.S. Air Force photo by Yasuo Osakabe/Released)