At least two US Navy personnel were taken to a local medical facility in Washington state after a mishap occurred during a routine air test on the USS Louisiana, Naval Base Kitsap's Puget Sound Naval Shipyard & Intermediate Maintenance Facility confirmed in an 2 April release.
Another five Navy personnel were evaluated by service medics at the scene and did not require further treatment, per the memo. Both injured sailors were discharged from the medical facility on the same day.
Around noon local time on Saturday, the nuclear-powered ballistic submarine "experienced a problem with the forward logistics escape trunk during testing, resulting in the rapid depressurization of the compartment", officials said.
"The depressurization created a loud noise due to the escaping air and dislodged a scaffolding enclosure and other equipment".
Service officials signalled an intent to investigate the incident, although no probe was publicly announced in the release.
Compartment air tests are routinely conducted to ensure equipment maintains functionality.
The Louisiana's nuclear propulsion space was not impacted by the incident.
State and local authorities have also been notified of the situation.
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