Nov. 16, 2017 —
Coast Guard Cutter Thunder Bay arrived at the Coast Guard Yard in Curtis Bay, Maryland, Nov. 7, 2017, to begin service life extension work as part of the In-Service Vessel Sustainment (ISVS) Program. The ship is the seventh of nine 140-foot icebreaking tugs to undergo service life extension work through the ISVS Program. Work includes replacement of the boat-launching davit, habitability improvements, and upgrades to propulsion and electrical systems. Thunder Bay entered service in 1986; the renovations will help keep it in service for about 15 more years. U.S. Coast Guard photo.
For more information: In-Service Vessel Sustainment program page