Hospital ship USNS Comfort (T-AH 20) has completed its mission departed the Joint Task Force-Haiti area of operations. Over the course of seven weeks, the ship's U.S military and civilian medical personnel treated 871 patients, receiving at the height of the recovery effort one patient every six to nine minutes. But now, thanks to more field hospitals ashore and fewer patients in need of specialized care, the ship has not had patients on board for more than a week. Comfort departed its homeport in Baltimore Jan.