sentences:  Edmond J. Massello, USNR, Officer in Charge.Following a training period at the Mine Warfare School, Yorktown, Virginia, "Trident" reported to Section Base Boston, for duty with the 1st Naval District.During the first week in March 1942, the wooden-hulled coastal minesweeper plied the waters of Boston harbor and its approaches, performing tasks which would soon become familiar.