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Pvt. Imaris Suarez stands atop a AN/TWQ-1 Avenger Missile System during a readiness drill at Osan Air Base, South Korea, Feb. 16. 2016. Suarez, an air defense battle management system operator assigned to E Battery, 6th Battalion, 52nd Air Defense Artillery Regiment from Ware, Mass., is learning how Patriot and Avenger systems work to provide layered air and missile defense on the Korean peninsula. (Photo by U.S. Army Capt. William Leasure, 35th ADA Brigade Public Affairs)