Air Force Airman 1st Class Brian Krachc unfolds a stab on an HH-60G Pave Hawk helicopter at Bagram Airfield, Afghanistan, Sept. 26, 2016. Krachc is a crew chief assigned to the 83rd Expeditionary Rescue Squadron. The stab on the helicopter keeps the pitch access level during flight and helps maintain balance. Air Force photo by Senior Airman Justyn M. Freeman