TARBELA DAM A U.S. Marine Corps CH-46 Sea Knight helicopter flies over the Tarbela Dam en route to Kohistan, Pakistan, during humanitarian relief efforts in Khyber-Pakhtunkhwa province, Pakistan, Aug. 27, 2010. The CH-46 crew is assigned to HM-165, 15th Marine Expeditionary Unit. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 530740-L-PHR88-659.jpg Photo Gallery