Photo Credit: Sgt. 1st Class Lyndon Miller 412th Theater Engineer Command
U.S. Army Reservist Spc. Robert Waggoner , 299th Engineer Company, 463rd Engineer Battalion, 411th Engineer Brigade, performs the grenade-throw segment of Mystery Event 1 during the 2013 412th Theater Engineer Command's Best Warrior Competition at Fort Devens, Mass. April 21. Mystery Event 1 consisted of an obstacle/confidence course timed evaluation.