Resolution commenced her first operational patrol on 15 June 1968, beginning 28 years of Polaris patrols.

U-2322 was one of just a few such boats to undertake an operational patrol, and one of only three to undergo two.

The sixth operational patrol, which commenced in late January, was interspersed with several major and minor accidents.

The ninth operational patrol opened with the shooting down of another aircraft at Suwon on 24 March.

The boat's last operational patrol was to the north of the Shetland Islands, but she did not attack any targets.

Once completed, the operator will be put in an operational patrol and can be deployed with the unit.

Her first operational patrols were in the Mediterranean, doing five transport missions and 16 patrols.

On 10 September 1939, Kain flew his first operational patrols without making contact with the enemy.

In her last operational patrol, she departed Lorient on 1 April 1943.

U-2344 never undertook an operational patrol, and was lost on 18 February 1945 after a colission with one of her sister ships, U-2336.