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)