U.S. Army Reserve Soldier Sgt. Karl Hart with 335th Signal Command (Theater) based in East Point, Ga., teaches a active shooter class during Lightning Strike 18, at Joint Base McGuire-Dix-Lakehurst, New Jersey, June 18, 2018. Lightning Strike 18 is a two-week annual training that ensures the 335th and its Soldiers are trained and ready to deploy on short-notice and bring capable, combat-ready, and lethal firepower in support of the Army and our joint partners anywhere in the world. (U.S. Army photo by David Cook)