WLI-class

USCG Inland Buoy Tenders.are vessels operated by the United States Coast Guard that maintain and replace navigational buoys on inland waterways. There are two classes of vessels. The 100-foot Class Inland Buoy Tenders consists of the following boats: USCGC Bluebell (WLI-313); Portland, Oregon, (commissioned 28 September 1944) USCGC Buckthorn (WLI-642); Sault Ste. Marie, Michigan, (commissioned 18 August 1963) The 65-foot Class Inland Buoy Tenders consists of the following boats: USCGC Bayberry (WLI-65400); Oak Island (North Carolina), (commissioned, June 1954) USCGC Elderberry (WLI-65401); Petersburg, Alaska, (commissioned, June 1954)