Spc. Christopher Archer, an infantryman from Waynesboro, Pennsylvania assigned to the U.S. Army’s 2nd Battalion, 506th Infantry Regiment, 3rd Brigade Combat Team, 101st Airborne Division at Fort Campbell, Kentucky, pulls security March 13 during the U.S. Army Reserve’s 78th Training Division Warrior Exercise at Joint Base McGuire-Dix-Lakehurst, New Jersey.