Senior Airman Richard Gates uses a laptop to diagnose possible malfunctions May 27, 2014, at Little Rock Air Force Base, Ark. Gates is a fuels system repair technician with the 19th Maintenance Group. The 19th MXG fuels system repair flight works on fuel, water cell tanks, bladder cells and external tanks. (U.S. Air Force photo by Airman 1st Class Harry Brexel/Released)
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usairforce/14360247025/">Checking for problems</a>