U.S. Army engineers compete in the 2011 Best Sapper Competition

U.S. Army engineers compete in Best Sapper Competition

1 / 8 Show Caption + Hide Caption – U.S. Army drill instructors count the competitors' sit-ups and heel hooks during the first event of the Best Sapper Competition on Fort Leonard Wood, Mo., April 7, 2011. The event gives engineers throughout the Army an opportunity to compete in a gru... (Photo Credit: U.S. Army) VIEW ORIGINAL

2 / 8 Show Caption + Hide Caption – (Photo Credit: U.S. Army) VIEW ORIGINAL

3 / 8 Show Caption + Hide Caption – (Photo Credit: U.S. Army) VIEW ORIGINAL

4 / 8 Show Caption + Hide Caption – U.S. Army engineers or "sappers" jump from a hovering UH-60 Black Hawk helicopter and swim across a frigid lake with their teammates during the helocast event on the first day of the competition of the Best Sapper Competition on Fort Leonard Wood, Mo... (Photo Credit: U.S. Army) VIEW ORIGINAL