U.S. Marine Corps Col. Richard Fuerst, incoming commanding officer of Marine Corps Air Station Iwakuni, Japan, speaks to audience members at his change of command ceremony at MCAS Iwakuni, July 22, 2016. Residents, locals and guests gathered aboard Marine Corps Air Station Iwakuni, Japan, to witness U.S. Marines and sailors welcome Col. Richard Fuerst as their new commanding officer. (U.S. Marine Corps photo by Lance Cpl. Donato Maffin) - U.S. Marine Corps Col. Richard Fuerst, incoming commanding officer of Marine Corps Air Station Iwakuni, Japan, speaks to audience members at his change of command ceremony at MCAS Iwakuni, July 22, 2016. Residents, locals and guests gathered aboard Marine Corps Air Station Iwakuni, Japan, to witness U.S. Marines and sailors welcome Col. Richard Fuerst as their new commanding officer. (U.S. Marine Corps photo by Lance Cpl. Donato Maffin)

U.S. Marine Corps Col. Robert V. Boucher, commanding officer of Marine Corps Air Station Iwakuni, addresses a crowd and local Japanese media before participating in the seventh Joint Leadership Walk down the streets of Iwakuni on July 6, 2016. The last walk took place in December 2015 and continues to be a firm demonstration of the bond and unity between both communities. (U.S. Marine Corps photo by Lance Cpl. Donato Maffin/Released) - U.S. Marine Corps Col. Robert V. Boucher, commanding officer of Marine Corps Air Station Iwakuni, addresses a crowd and local Japanese media before participating in the seventh Joint Leadership Walk down the streets of Iwakuni on July 6, 2016. The last walk took place in December 2015 and continues to be a firm demonstration of the bond and unity between both communities. (U.S. Marine Corps photo by Lance Cpl. Donato Maffin/Released)