KNEE WATCH U.S. Army Sgts. Anthony Limon, front, and Aaron Hestand keep watch during a patrol near Combat Outpost Sangar in Zabul province, Afghanistan, July 3, 2010. Limon and Hestand are assigned to Company D, 1st Battalion, 4th Infantry Regiment. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 164556-Q-MDQ27-856.jpg Photo Gallery