Cpl. Mason Stone, left, a KC-130J crewmaster, Staff Sgt. David Hoyt, middle, a KC-130J loadmaster, and Cpl. Greg Gambrell, right, a KC-130J crewmaster, set up the refueling site for air delivery ground refueling training aboard Marine Corps Air Station Iwakuni, Japan, Aug. 21, 2015. Marine Aerial Refueler Transport Squadron 152 uses this training to make sure their Marines are able to proficiently use all of the KC-130J’s assets. - Cpl. Mason Stone, left, a KC-130J crewmaster, Staff Sgt. David Hoyt, middle, a KC-130J loadmaster, and Cpl. Greg Gambrell, right, a KC-130J crewmaster, set up the refueling site for air delivery ground refueling training aboard Marine Corps Air Station Iwakuni, Japan, Aug. 21, 2015. Marine Aerial Refueler Transport Squadron 152 uses this training to make sure their Marines are able to proficiently use all of the KC-130J’s assets.