In 1956, Mathews again deployed with the 7th Fleet. Assigned to that fleet's amphibious force 12 January–4 October, she participated in squadron and fleet exercises from Japan to the Philippines, joining in the Black Ship Festival at Shimoda on 17 to 21 May.
In 1956, Mathews again joined the 7th Fleet. Assigned to that fleet's amphibious force from January 12 to October 4, she participated in squadron and fleet exercises spanning from Japan to the Philippines, joining the Black Ship Festival at Shimoda on May 17 to 21.