PATROL PALS U.S. Command Sgt. Maj. Michael Boom greets an Afghan boy while on a foot patrol in the Marzak Basin in Afghanistan's Paktika province, April 4, 2012. Boom is assigned to the 172nd Infantry Brigade. Members of the brigade were on their way to inspect the construction progress of Afghan police checkpoints in the area. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 788475-N-ZUS87-759.jpg Photo Gallery