On 21 November 1950, she was placed in full commission.

On 6 March 1953, she was placed in commission for the third time.

Returning to Boston, she was placed in reduced commission until 1921.

There are no records to indicate whether or not the boat was ever placed in commission.

On 16 May 1887, she was placed in commission once again.

Thus, the date upon which she was placed in commission cannot be established with any precision.

Iowa was placed in limited commission on 28 April 1917.

The new light was placed in commission on January 12, 1922.

On 1 December, she again was placed in full commission.

The submarine was placed back in commission on 5 May 1957.