An Airman from the 621st Contingency Response Wing, Travis Air Force Base, Calif. tightens a chain while helping Airmen from the Arizona Air National Guard to secure a vehicle in an Air Force C-17 Globemaster III at the Sky Harbor Air National Guard Base in Phoenix, Ariz., bound for N.Y. to support the Hurricane Sandy relief efforts, November 3, 2012. The 621st CRW is highly-specialized in training and rapidly deploying personnel to quickly open airfields and establish, expand, sustain, and coordinate air mobility operations. (U.S. Air Force photo by Staff Sgt. Gustavo Gonzalez)