The Navy Lark is set aboard a British Royal Navy frigate.
 The Royal Navy, a history from the earliest times to present
The Royal Navy maintains a fleet of technologically sophisticated ships, submarines, and aircraft, including 2 aircraft carriers, 2 amphibious transport docks, 4 ballistic missile submarines (which maintain the nuclear deterrent), 6 nuclear fleet submarines, 6 guided missile destroyers, 12 frigates, 9 mine-countermeasure vessels and 26 patrol vessels

