DAVIS-MONTHAN AIR FORCE BASE, Ariz. -- Staff Sgt. Nikesha Perryman performs the low-crawl technique during a deployment training class here. The training prepares Airmen for deployment and day-to-day life during contingency. Sergeant Perryman is assigned to the 355th Wing. (U.S. Air Force photo by Airman 1st Class Christina D. Ponte)