USS O-11 (SS-72)
O-11 being built in Bridgeport, Connecticut
|Ordered:||3 March 1916|
|Builder:||Lake Torpedo Boat Company, Bridgeport, Connecticut|
|Laid down:||6 March 1916|
|Launched:||29 October 1917|
|Commissioned:||19 October 1918|
|Decommissioned:||21 June 1924|
|Struck:||9 May 1930|
|Fate:||Sold for scrap, July 1930|
|Type:||O class submarine|
|Displacement:||491 long tons (499 t) surfaced
566 long tons (575 t) submerged
|Length:||175 ft (53 m)|
|Beam:||16 ft 7 in (5.05 m)|
|Draft:||13 ft 11 in (4.24 m)|
2 × 500 hp (373 kW) diesel engines
2 × 400 hp (298 kW) electric motors
|Speed:||14 knots (26 km/h; 16 mph) surfaced
11 knots (20 km/h; 13 mph) submerged
|Complement:||2 officers, 27 men|
|Armament:||• 4 × 18 in (457 mm) torpedo tubes, 8 torpedoes
• 1 × 3"/50 caliber deck gun
The later O-boats (O-11 through O-16) were designed by Lake Torpedo Boat to different specifications from the earlier ones designed by Electric Boat. They did not perform as well, and are sometimes considered a separate class.
Service history 
Commissioned too late for World War I combat service, O-11 joined other boats of her class at Cape May, New Jersey, in 1919. On 20 September 1919, she was placed in commission, in reserve, at Cape May and steamed to Philadelphia, Pennsylvania, in October; workmen at Philadelphia spent months working on the boat before she departed for Coco Solo.
The arrival of a submarine squadron at Coco Solo in 1913 had demonstrated the usefulness of the boats, the base continued as a distant submarine overhaul and testing area into the 1920s. O-11 reported there in 1922; after deck crews had brought her up to prime efficiency, she took several test dives off Panama in spring 1923. In October, she sailed to Philadelphia.
O-11 decommissioned at Philadelphia 21 June 1924 after just five and a half years of service, and was turned over to the Commandant, Navy Yard, Philadelphia. Struck from the Naval Vessel Register on 9 May 1930, the boat was sold in July 1930.
- This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.
- Photo gallery of USS O-11 at NavSource Naval History
- "Through The Looking Glass : A Photo Essay of Submarines 1900-1940" - The O-boats
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