Royal Navy -- HMS Victory
YEAR KM diameter 2004 ?? 38.6HMS Victory stands today as the world's oldest commissioned warship. Still manned by Officers and Ratings of the Royal Navy, the Victory has seen over 200 years of almost continuous service. Best known for her role in the Battle of Trafalgar, the Victory currently has a dual role as the flagship of the Second Sea Lord and as a living museum to the Georgian navy.