Air Force Photos

Senior Airmen Aaron Legardye, left, and Anthony Poindexter, 11th Security Forces Squadron response force members, participate in a land navigation exercise during the 11th SFS Defender’s Challenge on Joint Base Andrews, Md., Oct. 3, 2018. The challenge tested the defenders’ physically, as well as, mentally, in weapons knowledge, urban tactics, land navigation, self-aid buddy care and response to attacks. (U.S. Air Force photo by Airman 1st Class Michael S. Murphy)