UPHILL CHALLENGE U.S. Army Staff Sgt. Jeremy W. King increases the difficulty of pushups with his feet uphill while doing mid-day physical training at the Joint Readiness Training Center on Fort Polk, La. King is a squad leader assigned to the 82d Airborne Division's Headquarters Company, 1st Brigade Special Troops Battalion, 1st Brigade Combat Team. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 619683-O-XZA90-043.jpg Photo Gallery