USS O-9 (SS-70)

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USN Jack Career
Ordered: 3 March 1916
Laid down: 15 February 1917
Launched: 27 January 1918
Commissioned: 27 July 1918
Decommissioned:
Fate: lost during testing
Stricken: 23 October 1941
General Characteristics
Displacement: 520.6 tons surfaced, 629 tons submerged
Length: 172 feet 4 inches(53 m)
Beam: 18 feet (5.5 m)
Draft: 14 feet 5 inches (4.4 m)
Propulsion:
Speed: 14 knots (26 km/h) surfaced, 10.5 knots (19 km/h) submerged
Range:
Complement: two officers, 27 men
Armament: one three-inch/50-caliber (76 mm/50) gun; four 18-inch (457 mm) torpedo tubes, eight torpedoes
Motto:

USS O-9 (SS-70) was an O-class submarine of the United States Navy. Her keel was laid down on 15 February 1917 at Fore River Shipbuilding Company of Quincy, Massachusetts. She was launched on 27 January 1918 sponsored by Mrs. Frederick J. Sherman, and commissioned on 27 July 1918 with Lieutenant Oliver M. Read, Jr. in command.

During the final months of World War I, O-9 operated on coastal patrol and protected the Atlantic coast from U-boats. She departed Newport, Rhode Island, on 2 November 1918 for Britain, in order to conduct her first World War I war patrol. However, the end of the war came before O-9 reached Europe.

After the war, O-9 continued in Naval service and trained submarine crews at the sub school at New London, Connecticut. Proceeding to Coco Solo, Panama Canal Zone, in 1924, the boat was reclassified to a second line sub during her year there. Returning to operate at New London, O-9 reverted to a first line sub on 6 June 1928. Sailing up to Portsmouth, New Hampshire in January 1930, the sub returned to New London in March; the following February, she sailed to Philadelphia, Pennsylvania, to decommission there 25 June 1931.

Remaining on the Naval Vessel Register, O-9 was recalled to training service as American involvement in World War II became more inevitable. The 12 Tambor-class submarines were already nearing completion and 73 Gato-class boats had been already been ordered when O-9 was recommissioned at Philadelphia, Pennsylvania, on 14 April 1941 and went to New London on 31 May.

In all, nine O-boats were recommissioned to serve as training submarines (O-1 (SS-62) through O-10 (SS-71), except for O-5 (SS-66), which had been sunk after a collision in 1923.) O-9, in particular, required extensive work, and still suffered mechanical problems even after being returned to service.

On the morning of 20 June 1941, O-9 and two of her sisters, O-6 (SS-67) and O-10 (SS-71), left as a group from the submarine base in New London, Connecticut, for the submarine test depth diving area east of the Isle of Shoals. Upon reaching their designated training area, some 15 off Portsmouth, New Hampshire, O-6 made the first dive, followed by O-10. Finally, at 0837, O-9 began her dive. At 1032 O-9 had not surfaced.

Rescue ships swung into action immediately. Sister ships O-6 and O-10, submarine Triton (SS-201), submarine rescue vessel Falcon (ASR-2), and other ships searched for the sub. That evening, pieces of debris with markings from O-9 were recovered. In water 450 feet (140 m) deep, O-9 was thought to be crushed, since her hull was only designed to withstand depths of around 200 feet (60 m).

Divers went down from 1300 on 21 June until 1143 on 22 June. Divers could stay only a short time at the 440-foot depth but nonetheless set endurance and depth records for salvage operations until those operations were cancelled as they were considered too risky. Rescue operations were discontinued on 22 June, The boat and her thirty-three officers and men were declared lost as of 20 June. On 22 June, Secretary of the Navy Frank Knox conducted memorial services for the 33 officers and men lost on the boat.

On 20 September 1997 O-9 was finally located. Salem, New Hampshire-based Klein Sonar Company provided a vessel and sonar equipment which were used to discover O-9’s final resting place. Her hull is crushed from just abaft the conning all the way to the stern, though the forward hull appears intact. There are no plans to salvage O-9. Her exact location is secret and the area has been designated an official Naval burial ground.

O-9 was struck from the Naval Vessel Register on 23 October 1941.

References

This article includes text from the public domain Dictionary of American Naval Fighting Ships.

Template:United States O class submarine

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