Credit Petty Officer 1st Class Sara Francis / US Coast Guard
The tug Nanuq and the tug Aiviq (not pictured) tow the mobile drilling unit Kulluk in 15 to 20-foot seas, 80 miles southwest of Kodiak City, Alaska, 12/29/12. The tug Aiviq lost the initial tow Thursday and suffered several engine failures.
An oil rig that was on its way to a Seattle shipyard from Alaska went adrift in the Gulf of Alaska on Sunday. John Ryan told Ross Reynolds about it on The Conversation.