HOVERING HELICOPTER A U.S. Marine Corps Sea Knight helicopter performs a main mount hover on a strip of road too narrow for a full landing in the southern province of Sindh, Pakistan, to deliver relief supplies during humanitarian-assistance operations, Sept. 26, 2010. The helicopter is assigned to the 15th Marine Expeditionary Unit. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 641973-O-LAS33-212.jpg Photo Gallery