Pakistanis unload relief supplies from a U.S. Army CH-47 Chinook helicopter. Pakistanis unload relief supplies from a U.S. Army CH-47 Chinook helicopter assigned to the 16th Combat Aviation Brigade in Swat Valley, Pakistan, on Nov. 3, 2010. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 850115-H-VPU58-001.jpg Photo Gallery