Staff Sgt. Ryan Slanina (from left), Tech. Sgt. Tim Burrola and Senior Airman David Skannal reference their technical order before inspecting a fuel tank of a KC-135 Stratotanker Jan. 9 at March Air Reserve Base, Calif. The three are all fuel cell technicians from the 452nd Maintenance Squadron. (U.S. Air Force photo/Val Gempis)