U.S. special forces troops are using pack animals to carry equipment as they work in Afghanistan. U.S. special forces troops are using pack animals to carry equipment as they work with members of the Northern Alliance in Afghanistan during Operation Enduring Freedom on Nov. 12, 2001. SHARE IMAGE: Download Image: Full Size (0.04 MB) Photo By: VIRIN: 211870-U-NDK11-780.jpg Photo Gallery