Staff Sgt. Bernard Williams and Senior Airman Clinton Austin, both 455th Expeditionary Aircraft Maintenance Squadron 83rd Helicopter Maintenance Unit crew chiefs, review the maintenance procedures for a HH-60 Pave Hawk helicopter on Bagram Air Field, Afghanistan, April 9, 2013. The helicopter maintainers work a non-stop alert schedule to maintain high mission-capable ratings and are ready to respond 24 hours a day, seven days a week. (U.S. Air Force photo/Senior Airman Chris Willis)
Staff Sgt. Christopher Willis
<a rel="nofollow" class="external free" href="https://www.dvidshub.net/image/905603">https://www.dvidshub.net/image/905603</a>