Col. James Hall, 621st Contingency Response Wing vice commander, stands at parade rest in front of the assumption of command formation, May 30, at Joint Base McGuire-Dix-Lakehurst, New Jersey. The 621st CRW is a unique bi-coastal unit, aligned under the U.S. Air Force Expeditionary Center, 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 Tech. Sgt. Luther Mitchell)