Senior Airman Franklin Sloat, 791st Missile Security Forces Squadron member, Minot Air Force Base, North Dakota, left, and Senior Airman David Scarpitti, 121st Security Forces Squadron member, Air National Guard, guard their defensive fighting positions during patrols Oct. 14, 2014, at Silver Flag Alpha range, Nev. RAC is a two week-long leadership course designed to prepare Airmen for U.S. Army Ranger School and puts the participants through extreme physical, mental and emotional stress. (U.S. Air Force photo by Airman 1st Class Christian Clausen/Released)