Peter Anderson ex USS Antelope PGM 86

Asheville-class gunboat, a class of small military ships built for the USN in response to the Cuban Missile Crisis. Originally designated PGM motor gunboats, she was reclassified in 1967 as PG patrol combatant. Decommissioned in 1977. Transferred to the Environmental Protection Agency on 17 January 1978 she was placed in service on Lake Michigan as a survey vessel gathering data to determine the impact of waste disposal upon the Great Lakes. Antelope was renamed Oceanographic Survey Vessel (OSV) Peter W. Anderson.
As of 2009, she is no longer in service to the EPA, replaced by OSV Bold, ex-USNS Bold (T-AGOS-12).