Senior Airman Richard Mirabal, 11th Civil Engineer Squadron explosive ordnance disposal technician, briefs several Reserve Officers' Training Corps cadets during a tour at Joint Base Andrews, Md., March 16, 2015. The tour is held several times a month and is designed to immerse cadets in their respective career fields prior to active service. (U.S. Air Force photo/Staff Sgt. Chad C. Strohmeyer/Released)