SAPPERS' JUMP U.S. Army soldiers jump from a hovering CH-47 Chinook helicopter during the helo-cast event on day two of the Best Sapper Competition, Fort Leonard Wood, Mo., April 20, 2010. The Best Sapper Competition gives engineers throughout the Army the opportunity to compete in a grueling six phase and three day competition to determine who are the best engineers in the Army. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 579312-R-ZHN40-006.jpg Photo Gallery