Two CH-47 Chinook helicopters from the Army 16th Combat Aviation Brigade out of Fort Wainwright, Alaska, land at Air Station Kodiak Friday, Jan. 4, 2013. The Chinook helicopter crews are in Kodiak to deliver heavy equipment such as generators to the conical drilling unit Kulluk grounded 40 miles southwest of Kodiak City, Alaska. U.S. Coast Guard video by Petty Officer 1st Class Sara Francis.