HUMVEE PULL U.S. Army 1st Lt. Case and Staff Sgt. Smith use teamwork during the Humvee pull of the final phase of the Best Sapper Competition on Fort Leonard Wood, Mo., April 9, 2011. Case and Smith are assigned to the 570th Sapper Company, Fort Lewis, Wash. The Best Sapper Competition gives engineers throughout the Army the opportunity to compete in a grueling six phase three day competition to determine who are the best engineers in the Army. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 512663-V-AQG37-981.jpg Photo Gallery