U.S. Air Force Airmen with the 437th Aerial Port Squadron tie down pallets of cargo during Crescent Reach 15 here May 19, 2015. This local exercise, which lasted from May 18-21, 2015, tested and evaluated Joint Base Charleston's ability to launch a large aircraft formation in addition to process and deploy duty passengers and cargo in response to a simulated crisis abroad. 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 Senior Airman Nicholas Byers)