FOOT BRIDGE U.S. Army Sgt. Michael Trevino uses a foot bridge to cross a swollen river outside of the village of Marzak in Afghanistan's Paktika province, April 4, 2012. Trevino is assigned to the 172nd Infantry Brigade. Afghans had washed their clothing on the far bank. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 739384-W-UOG50-826.jpg Photo Gallery