sentences:  After stops at Eniwetok and Tinian, "Specter" arrived at Iwo Jima on 16 February, three days before the landing, and began minesweeping operations.She was busy clearing minefields, patrolling, and performing escort duty until 28 February when she sailed for Saipan.After a stop at Ulithi from 6 to 19 March "Specter" steamed to Okinawa.