Tropic ACE fuels joint cooperation between Air Force, Marines
U.S. Marines from Marine Wing Support Squadron 172, stationed at Camp Foster, Okinawa, Japan, carry a fuel bladder 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)