Lance Cpl. Mykel Thaete runs for concealment after popping an M18 green smoke hand grenade.
U.S. Marine Corps Lance Cpl. Mykel Thaete, of the Advanced Infantry Training Battalion, School of Infantry West, Detachment Hawaii, runs for concealment after popping an M18 green smoke hand grenade at Kahuku Training Area in Hawaii on May 19, 2010. Thaete participated as opposition force in an attack and defend field exercise as part of School of Infantry West's Infantry Squad Leader Course.