FLASHLIGHT FOCUS U.S. Air Force Senior Airman Michael Petrofsky uses a flashlight as he performs maintenance on the exhaust system of a mine-resistant, ambush-protected vehicle on Bagram Airfield, Afghanistan, Aug. 2, 2014. Vehicle maintainers are responsible for maintaining and repairing mission-essential vehicles. Petrofsky is a vehicle maintenance equipment mechanic assigned to the 455th Expeditionary Logistics Readiness Squadron. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 695554-B-WRB64-113.jpg Photo Gallery