U.S. Airmen with the 108th Wing, New Jersey Air National Guard don M50 masks as they review topics such as chemical, biological, radiological and nuclear; self-aid buddy care; post-attack reconnaissance; disassembling and reassembling an M9 pistol; and M16 rifle skills during an ability to survive and operate (ATSO) rodeo at Joint Base McGuire-Dix-Lakehurst, N.J., Feb. 9, 2014.
The ATSO review was used by Airmen who were deploying or preparing for exercises or inspections. (DoD photo by Master Sgt. Mark C. Olsen, U.S. Air Force/Released). Original public domain image from Flickr