Rock Solid Warrior: Airman 1st Class Marcus Kiner
U.S. Air Force Airman 1st Class Marcus Kiner, 386th Expeditionary Operations Support Squadron aircrew flight equipment apprentice, conducts a post flight inspection at an undisclosed location, Southwest Asia, Mar. 29, 2012. Kiner was inspecting a Mask Breathing Unit- 20/P to ensure operation as part of a post flight inspection. (U.S. Air Force photo by Staff Sgt. James Lieth)