Sgt. 1st Class William O'Neal, armored tank commander, Company D, 1st Battalion, 30th Infantry Regiment, updates information on the Blue Force Tracker in his M1-Abrams tank simulator during the fielding of the Live, Virtual, Constructive-Integrating Architecture Dec. 18 at Evans Army Airfield just outside of Fort Stewart, Ga. (Photo by Sgt. William Begley, 3rd CAB Public Affairs)