 HMS Ruler in January 1945
| |
| History | |
|---|---|
 United States | |
| Name | USS St. Joseph |
| Namesake | St. Joseph Bay in Florida |
| Builder | Seattle-Tacoma Shipbuilding Corporation |
| Laid down | 25 March 1943 |
| Launched | 21 August 1943 |
| Fate | Transferred to Royal Navy |
 United Kingdom | |
| Name | HMS Ruler |
| Commissioned | 22 December 1943 |
| Decommissioned | 29 January 1946 |
| Stricken | 20 March 1946 |
| Identification | Pennant number D72 (Atlantic) - R311/A731 (Pacific) |
| Honours and awards |
|
| Fate | Scrapped, 1946 |
| General characteristics | |
| Class and type |
|
| Displacement | 15,390 tons |
| Length | 492 ft (150 m) |
| Beam | 108 ft 6 in (33.07 m) |
| Draught | 26 ft (7.9 m) |
| Propulsion | Steam turbines, 1 shaft, 8,500 shp (6.3 MW) |
| Speed | 18 knots (33 km/h) |
| Complement | 646 officers and men |
| Armament |
|
| Aircraft carried | 30 |
| Service record | |
| Part of: | British Pacific Fleet |
| Operations: | Battle of Okinawa |
HMS Ruler was the lead ship of her class of escort carrier of the Royal Navy during the Second World War. She was built in the United States as the Bogue-class carrier St. Joseph (AVG/CVE/ACV-50) for Lend-Lease to the United Kingdom.