170715-M-QX735-0022 SHIROKYI LAN, Ukraine (July 15, 2017) Marines assigned to the 3rd Battalion, 23rd Marine Regiment, clear trenches in Shirokyi Lan, Ukraine, during exercise Sea Breeze 2017. The U.S. and Ukraine co-hosted multinational maritime exercise held in the Black Sea and is designed to enhance interoperability of participating nations and strengthen maritime security within the region. (U.S. Marine Corps photo by Staff Sgt. Marcin Platek/Released)