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2 injured in US naval submarine accident in Washington state

April 3, 2022 GMT
CORECTS TO APRIL 2, NOT 3 - FILE - The USS Louisiana, the last of the Trident II nuclear submarines, is commissioned at Kings Bay Naval Submarine Base in St. Marys, Ga., on Sept. 6, 1997. Two U.S. Navy personnel suffered non-life-threatening injuries in an accident aboard a nuclear ballistic missile submarine docked at a maintenance facility at Puget Sound in Washington state on Saturday, April 2, 2022. The Navy says the accident on the USS Louisiana occurred during rapid decompression of a forward compartment during a routine air test. The Navy says the submarine's nuclear propulsion area wasn't affected. (Jetta Fraser/The Florida Times-Union via AP, FIle)
CORECTS TO APRIL 2, NOT 3 - FILE - The USS Louisiana, the last of the Trident II nuclear submarines, is commissioned at Kings Bay Naval Submarine Base in St. Marys, Ga., on Sept. 6, 1997. Two U.S. Navy personnel suffered non-life-threatening injuries in an accident aboard a nuclear ballistic missile submarine docked at a maintenance facility at Puget Sound in Washington state on Saturday, April 2, 2022. The Navy says the accident on the USS Louisiana occurred during rapid decompression of a forward compartment during a routine air test. The Navy says the submarine's nuclear propulsion area wasn't affected. (Jetta Fraser/The Florida Times-Union via AP, FIle)
CORECTS TO APRIL 2, NOT 3 - FILE - The USS Louisiana, the last of the Trident II nuclear submarines, is commissioned at Kings Bay Naval Submarine Base in St. Marys, Ga., on Sept. 6, 1997. Two U.S. Navy personnel suffered non-life-threatening injuries in an accident aboard a nuclear ballistic missile submarine docked at a maintenance facility at Puget Sound in Washington state on Saturday, April 2, 2022. The Navy says the accident on the USS Louisiana occurred during rapid decompression of a forward compartment during a routine air test. The Navy says the submarine's nuclear propulsion area wasn't affected. (Jetta Fraser/The Florida Times-Union via AP, FIle)
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CORECTS TO APRIL 2, NOT 3 - FILE - The USS Louisiana, the last of the Trident II nuclear submarines, is commissioned at Kings Bay Naval Submarine Base in St. Marys, Ga., on Sept. 6, 1997. Two U.S. Navy personnel suffered non-life-threatening injuries in an accident aboard a nuclear ballistic missile submarine docked at a maintenance facility at Puget Sound in Washington state on Saturday, April 2, 2022. The Navy says the accident on the USS Louisiana occurred during rapid decompression of a forward compartment during a routine air test. The Navy says the submarine's nuclear propulsion area wasn't affected. (Jetta Fraser/The Florida Times-Union via AP, FIle)
1 of 2
CORECTS TO APRIL 2, NOT 3 - FILE - The USS Louisiana, the last of the Trident II nuclear submarines, is commissioned at Kings Bay Naval Submarine Base in St. Marys, Ga., on Sept. 6, 1997. Two U.S. Navy personnel suffered non-life-threatening injuries in an accident aboard a nuclear ballistic missile submarine docked at a maintenance facility at Puget Sound in Washington state on Saturday, April 2, 2022. The Navy says the accident on the USS Louisiana occurred during rapid decompression of a forward compartment during a routine air test. The Navy says the submarine's nuclear propulsion area wasn't affected. (Jetta Fraser/The Florida Times-Union via AP, FIle)

BREMERTON, Wash. (AP) — Two U.S. Navy personnel suffered non-life-threatening injuries in an accident aboard a nuclear ballistic missile submarine docked at a maintenance facility at Puget Sound in Washington state, the Navy said.

The accident on the USS Louisiana occurred during rapid decompression of a forward compartment during a routine air test on Saturday, according to a statement by the Puget Sound Naval Shipyard & Intermediate Maintenance Facility. The rush of air dislodged scaffolding and other equipment and created a boom, the statement said.

Several Bremerton residents reported hearing the boom, Seattle’s KIRO-TV reported.

Two personnel were treated and released at a local medical facility, the Navy said. Medical personnel evaluated five others who didn’t require treatment. The cause of the accident was under investigation, the statement said, adding that the submarine’s nuclear propulsion area wasn’t affected.

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A shipyard spokesperson said Sunday the investigation is continuing and had no additional information.

The USS Louisiana is an Ohio-class ballistic missile submarine and has been based at nearby Naval Base Kitsap since 2005.