170713-N-XT273-323 SHIROKY LAN, Ukraine (July 13, 2017) U.S. Marine Sgt. Adam Clark teaches Ukrainian marines about objective patrolling during military operations in urban terrain training for exercise Sea Breeze 2017 in Shiroky Lan, Ukraine. Sea Breeze is a 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. Navy photo by Mass Communication Specialist 1st Class Justin Stumberg/Released)