 Settling in again at the Academy, a series of upgrades was installed that included steam pipes and radiators to supply heat from shore, along with gas lighting. From June to August each year, she would depart with midshipmen for their summer training cruise and then return to operate for the rest of the year as a classroom. In June 1867, her last known plank owner William Bryant died in Maine. George Dewey assumed command in November and he served as her commanding officer until 1870. In 1871, her condition had deteriorated to the point where she was retired as a training ship, and then towed to the Philadelphia Navy Yard, where she was placed in ordinary on 26 September.
