The Eastern Yacht Club is located in Marblehead, Massachusetts and founded in 1870.

[3] Source:[5] When the United States entered the war, Commodore Herbert Sears called the Under Secretary of the Navy, Franklin Roosevelt, and offered the use of the Eastern clubhouse to the Navy as a base.

Known as "The Eastern Yacht Club 62 footers", the boats were designed by Albert Loring Swasey and Nathanael Greene Herreshoff.

[6] The nine nearly identical motor boats built by the Herreshoff Manufacturing Company in Bristol, Rhode Island.The boats bore names under construction chosen by the owners and were then given their Section Patrol numbers once accepted by the Navy.

[7] The Eastern Yacht Club boats with sponsors were:[6] Plus one built to the design independently: