The Oldest Naval Vessel in Active Service...
The US Navy has the frigate Constitution, launched in 1797.... ...onstitution, launched in 1797. The British Royal Navy has the Victory, which dates even further back --... ...al vessel in active service is the VMF Kommuna, a Russian Navy salvage ship built in 1915. Jame...
https://www.neatorama.com/2009/12/31/the-oldest-naval-vessel-in-active-service/
