Airman 1st Class Michael Gibbs-Forde, an aircrew flight equipment journeyman with the 437th Operations Support Squadron, assists Airman 1st Class Matthew Link, a C-17 loadmaster with the 16th Airlift Squadron, at a Crescent Reach 15 decontamination station May 20, 2015, at Joint Base Charleston, S.C. This local exercise, which tested and evaluated Joint Base Charleston's ability to launch a large aircraft formation in addition to processing and deploying duty passengers and cargo in response to a simulated crisis abroad from May 18-21, 2015. Deploying members' ability to survive and operate in deployed environments was also exercise through Chemical, Biological, Radiological, Nuclear Explosives training and evaluation events. (U.S. Air Force photo by Staff Sgt. Jamal D. Sutter)