KEYPORT — A model of the USS Grayback (SSG-574) will be presented to the Naval Undersea Museum in Keyport on March 7, 10 a.m., by the Pacific Northwest chapter of the UDT-Seal Association.

The presentation is open to the public.

The Grayback was commissioned on March 7, 1958 as SSG-574 and was the first of the Navy’s guided missile submarines to carry the Regulus II sea-to surface missile.

The Grayback was decommissioned on May 25, 1964, then recommissioned May 9, 1969 as LPSS-574, an amphibious transport submarine. Grayback and four other U.S. Navy submarines conducted strategic deterrent patrols in the Western Pacfic between 1959-1964 and earned the National Defense Service Medal, the Vietnam Service Medal, and the Republic of Vietnam Campaign Medal.

Grayback was decommissioned on Jan. 15, 1984.