U.S. Air Force Staff Sgt. Frank Joseph, 60th Security Forces Squadron combat arms training and maintenance instructor, teaches Airmen how to inspect an M-4 carbine rifle during a class at Travis Air Force Base, California, May 27, 2020. Joseph completed the CATM instructor course in August 2013. He has provided weapons training at Travis AFB since April 2020. (U.S. Air Force photo by Tech. Sgt. James Hodgman)