U.S. Marine Corps Sgt. Alberto Marquez, Marine Wing Support Squadron 172, bulk fuel specialist, assigned to Camp Foster, Japan, explains a fuel pump setup to Airmen of the 36th Contingency Response Group, Andersen Air Force Base, Guam, during exercise Tropic ACE Aug. 26, 2017, at Kadena Air Base, Japan. Tropic ACE was designed to exercise components of Pacific Air Forces’ Agile Combat Employment (ACE) concept of operations (CONOPS), a warfighting concept the command is operationalizing to ensure airpower resiliency. (U.S. Air Force photo/ Airman 1st Class Greg Erwin)
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