A fish of the herring family, common along coasts of the United States.
(MB: t. 17; l. 43'8"; b. 10'; dr. 3'5"; s. 12 k.; cpl. 8; a. 1 1-pdr.)
The first Shad (SP-551)-a motorboat built in 1907 by George Lawley and Sons, Neponset, Mass.-was purchased from Herbert C. Talbot on 15 May 1917 and commissioned on 24 May 1917.
Shad patrolled Boston harbor during and after World War I. She was struck from the Navy list on 18 August 1919 and sold on 10 September 1919 to J. E. Doherty Co., Boston, Mass.