High Quality Content by WIKIPEDIA articles! The Ocean Survey Vessel (OSV) Bold is operated by the United States Environmental Protection Agency. Originally commissioned as the USNS Victorious, it was renamed USNS Bold (T-AGOS-12) and was a Stalwart-class Modified Tactical Auxiliary General Ocean Surveillance Ship of the United States Navy. Stalwart class ships were originally designed to collect underwater acoustical data in support of Cold war anti-submarine warfare operations in the 1980s.