Pfc. Gregory Doty of the 854th Engineer Battalion, 411th Engineer Brigade, 412th Theater Engineer Command, competes in the 200-meter swim mystery event during the Combined-TEC Best Warrior competition held at Fort McCoy, Wis., April 29. The 412th and 416th Theater Engineer Commands (TEC) joined forces to host and provide Soldiers for this year's competition.Related Links:The Castle Magazine412th Theater Engineer Command News & InformationDefense Video and Imagery Distribution SystemFollow Us on TwitterLike Us on Facebook412th TEC on Flickr412th TEC on YouTube