Fitting faces for fighting capabilities
A group of gas mask lay on a desk next to the Protection Assessment Test Instrument and incense at the bioenvironmental office at Beale Air Force Base, Calif., March 7, 2018. The fit test is a required of all members prior to deployment, if they change in body weight or have facial surgery. Looking up and down and side to side are some tasks an Airman must perform to successfully pass the fit test. (U.S. Air Force photo by Senior Airman Colville McFee)