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U.S. Marines with the Logistics Department Fuels Division fuel a KC-130J Hercules with Marine Aerial Refueler Transport Squadron (VMGR) 152 utilizing the new Aircraft Direct Fueling System (ADFS) at Marine Corps Air Station Iwakuni, Japan, Oct. 19, 2017. The ADFS allows the aircraft to rotate crew, take on cargo or Marines and keep its engines running while accepting fuel. This training marked the first refueling evolution at the new hot refueling pit designed to distribute fuel to Type-4 aircraft such as the KC-130J Hercules, MV-22 Osprey and MH-60 helicopter.