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Press Release | June 21, 2023

MEDIA AVAILABILITY: Coast Guard to hold press briefing for missing submersible from Polar Prince

WHO: Capt. Jamie Frederick, the First Coast Guard District response coordinator

WHAT: The Coast Guard is scheduled to hold a press briefing involving the continued search efforts for five people aboard a missing submersible approximately 900 miles off Cape Cod

WHEN: Wednesday at 1 p.m. 

WHERE: Coast Guard Base Boston at 427 Commercial St., Boston, MA 02109  

Editor’s note: Media should be prepared to show media credentials and a government issued photo ID to gain access to the base. Base access will be allowed starting at 12:30 p.m.  

BOSTON — The Coast Guard and partner agencies continue their search Wednesday for five people after the Canadian research vessel Polar Prince lost contact with their submersible during a dive, approximately 900 miles east of Cape Cod, Sunday morning. 

Media inquiries should be directed to The most updated information may be found at