KODIAK, Alaska - Coast Guard MH-60 Jayhawk helicopter crews from Air Station Kodiak deliver mechanical parts to the tug Aiviq and hoist the 18 crew members of the mobile drilling unit Kulluk 80 miles southwest of Kodiak, Alaska, Saturday, Dec. 29, 2012. The Kulluk was under tow en route Everett, Wash., when the Aiviq experienced towing and engine issues Thursday. U.S. Coast Guard video by Petty Officer 1st Class Sara Francis.