Tug Norman O guides Tug Challenger to the mooring station at AJ Dock near Juneau, Alaska, Feb. 23, 2016. (U.S. Coast Guard photo by Petty Officer 3rd Class Greg Crane) Juneau, Alaska – The Tug Challenger has made its way to A.J. Dock. The salvage team dewatered and floated the sunken tug on Tuesday, Feb. 23, 2016, and completed the dead ship tow to Juneau’s A.J. Dock. After shifting the Tug to...