JOINT BASE ANDREWS, Md. -- Tech. Sgt. Michael Chauncey, 459th Civil Engineering Squadron, describes how to identify a Class C1 mortar in a training class in Hangar 10 here Feb. 4. Sergeant Chauncey joined other 459 ARW instructors in teaching 14 different Ability to Survive and Operate and readiness training courses over a two-day period. The training prepares 459 ARW Airmen for future exercises and an upcoming Operational Readiness Inspection. (U.S. Air Force photo/Staff Sgt. Sophia Piellusch)