Marine Corps Air Station Iwakuni, Japan

A detachment of KC-130J Super Hercules aircraft from Marine Aerial Refueler Transport Squadron 152, homestationed at Marine Corps Air Station Iwakuni, Japan, conduct low altitude training during exercise Kodiak Mace, May 28, 2016. The squadron trained at Joint Base Elmendorf-Richardson, Alaska, in support of exercise Kodiak Mace, which is an annual joint exercise designed to give the U.S. Marine pilots of VMGR-152 an opportunity to conduct low altitude training in an unfamiliar environment to enhance their technical skills and operational capabilities. (U.S. Marine Corps photo by Cpl. Cory Schubert/Released) - A detachment of KC-130J Super Hercules aircraft from Marine Aerial Refueler Transport Squadron 152, homestationed at Marine Corps Air Station Iwakuni, Japan, conduct low altitude training during exercise Kodiak Mace, May 28, 2016. The squadron trained at Joint Base Elmendorf-Richardson, Alaska, in support of exercise Kodiak Mace, which is an annual joint exercise designed to give the U.S. Marine pilots of VMGR-152 an opportunity to conduct low altitude training in an unfamiliar environment to enhance their technical skills and operational capabilities. (U.S. Marine Corps photo by Cpl. Cory Schubert/Released)

A KC-130J Super Hercules from Marine Aerial Refueler Transport Squadron 152, homestationed at Marine Corps Air Station Iwakuni, Japan, flies through the Chugach Mountains valley May 28, 2016. The squadron trained at Joint Base Elmendorf-Richardson, Alaska, in support of exercise Kodiak Mace. Kodiak Mace is an annual joint exercise designed to give the U.S. Marine pilots of VMGR-152 an opportunity to conduct low altitude training in an environment outside of what their used to, to enhance their technical skills in a foreign environment. (U.S. Marine Corps photo by Cpl. Cory Schubert/Released) - A KC-130J Super Hercules from Marine Aerial Refueler Transport Squadron 152, homestationed at Marine Corps Air Station Iwakuni, Japan, flies through the Chugach Mountains valley May 28, 2016. The squadron trained at Joint Base Elmendorf-Richardson, Alaska, in support of exercise Kodiak Mace. Kodiak Mace is an annual joint exercise designed to give the U.S. Marine pilots of VMGR-152 an opportunity to conduct low altitude training in an environment outside of what their used to, to enhance their technical skills in a foreign environment. (U.S. Marine Corps photo by Cpl. Cory Schubert/Released)

Marines with Marine Aerial Refueler Transport Squadron 152, stationed at Marine Corps Air Station Iwakuni, Japan, arrived at Joint Base Elmendorf-Richardson, Alaska, May 23, 2016, in support of Exercise Kodiak Mace. Exercise Kodiak Mace is an annual exercise designed to enhance cohesion between the U.S. Marine Corps, Army, Air Force and Japan Air Self-Defense Force through bilateral combat training. (U.S. Marine Corps photos by Cpl. Cory Schubert/Released) - Marines with Marine Aerial Refueler Transport Squadron 152, stationed at Marine Corps Air Station Iwakuni, Japan, arrived at Joint Base Elmendorf-Richardson, Alaska, May 23, 2016, in support of Exercise Kodiak Mace. Exercise Kodiak Mace is an annual exercise designed to enhance cohesion between the U.S. Marine Corps, Army, Air Force and Japan Air Self-Defense Force through bilateral combat training. (U.S. Marine Corps photos by Cpl. Cory Schubert/Released)

A U.S. Army soldier jumps from the cargo bay of a Marine Aerial Refueler Transport Squadron 152 KC-130J Super Hercules during exercise Kodiak Mace at Joint Base Elmendorf-Richardson, Alaska, May 25, 2016. The squadron traveled from Marine Corps Air Station Iwakuni, Japan to train with the 4th Infantry Brigade Combat Team, 25th Infantry Division in Alaska to support the exercise. Kodiak Mace is an annual joint exercise designed to give the U.S. Marines and the U.S. Army training time to enhance cohesion and mission readiness. (U.S. Marine Corps photo by Cpl. Cory Schubert/Released) - A U.S. Army soldier jumps from the cargo bay of a Marine Aerial Refueler Transport Squadron 152 KC-130J Super Hercules during exercise Kodiak Mace at Joint Base Elmendorf-Richardson, Alaska, May 25, 2016. The squadron traveled from Marine Corps Air Station Iwakuni, Japan to train with the 4th Infantry Brigade Combat Team, 25th Infantry Division in Alaska to support the exercise. Kodiak Mace is an annual joint exercise designed to give the U.S. Marines and the U.S. Army training time to enhance cohesion and mission readiness. (U.S. Marine Corps photo by Cpl. Cory Schubert/Released)

Japanese media members interview Col. Robert Boucher, commanding officer of Marine Corps Air Station Iwakuni, Japan, during Friendship Day May 5, 2014. More than 50,000 people came aboard MCAS Iwakuni to see military vehicles and aircraft, meet American service members and get a taste of American culture. - Japanese media members interview Col. Robert Boucher, commanding officer of Marine Corps Air Station Iwakuni, Japan, during Friendship Day May 5, 2014. More than 50,000 people came aboard MCAS Iwakuni to see military vehicles and aircraft, meet American service members and get a taste of American culture.