Senior Airman Timothy Hosfelt carries Staff Sgt. Reddzl Tuano, both 11th Security Forces Squadron elite gate guards, during the 11th SFS Defender’s Challenge on Joint Base Andrews, Md., Oct. 3, 2018. The challenge tested defenders physically and mentally in weapon knowledge, urban tactics, land navigation, self-aid buddy care and response to attack. (U.S. Air Force photo by Airman 1st Class Michael S. Murphy)