CHINOOK OPERATION U.S. and Afghan forces wait to board a CH-47 Chinook helicopter before an operation to rid insurgents from the Panjwa'i district in Afghanistan's Kandahar province, Oct. 15, 2010. The U.S. forces are assigned to the Special Operations Task Force South. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 850895-O-KEW02-849.jpg Photo Gallery