U.S. Army Reservist Spc. Robert Waggoner, 299th Engineer Company, 463rd Engineer Battalion,411th Engineer Brigade, performs the high-crawl 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. Competitors were required to high-crawl for about 30 meters to the grenade-throw station.