Sgt. Nicholas Waagmeester, 844th Engineer Battalion, 926th Engineer Brigade, keeps a steady, determined pace during the 10km ruck march on day three of the 412th Theater Engineer Command's 2013 Best Warrior Competition held at Fort Devens, Mass. Apri...

Sgt. Casey Arblaster, Headquarters and Headquarters Company, 458th Engineer Battalion, 411th Engineer Brigade, steps it out during the 10km ruck march on day three of the 412th Theater Engineer Command's 2013 Best Warrior Competition held at Fort Dev...

Pfc. Robert Robinson (right), 391th Engineer Battalion, 926th Engineer Brigade, and his sponsor Sgt. 1st Class Brandon Dunn, also with the 391th Engineer Battalion, humps it during the 10km ruck march on day three of the 412th Theater Engineer Comman...

Staff Sgt. Christopher Williams, 441th Engineer Company, 467th Engineer Battalion, 926th Engineer Brigade, toughs it out during the 10km ruck march on day three of the 412th Theater Engineer Command's 2013 Best Warrior Competition held at Fort Deven...

Sgt. Nicholas Waagmeester, 844th Engineer Battalion, 926th Engineer Brigade, shoots an azimuth with a lensatic compass during the land navigation portion of the 412th Theater Engineer Command's 2013 Best Warrior Competition held at Fort Devens, Mass....

Spc. Austin Rosende, 716th Engineer Company, 368th Engineer Battalion, 302nd Maneuver Enhancement Brigade, practices the triangle choke submission combatives move with Sgt. 1st Class Thomas Reneau, Headquarters Platoon, Forward Support Company, 302nd...

Spc. Stephen Mancini, a healthcare specialist with the 302nd Maneuver Enhancement Brigade, administers first aid to the foot of a competitor after the 10km ruck march on day three of the 412th Theater Engineer Command's 2013 Best Warrior Competition ...