Eight days later she departed to escort munitions carrier USS Sangay (AE-10) to Majuro, where Competent swept mines and acted as harbor entrance control and pilot ship from 5 February to 31 March.

Competent reached Port Purvis on Florida Island, in the Solomons, on 24 August for exercises in the area until 8 September when she sailed to Kossol Passage to sweep and patrol the west entrance during the invasion of Peleliu.

She escorted a convoy back to Port Purvis 13 October, and on 2 November departed for a U.S. West Coast overhaul.

She operated out of Sasebo, Japan, on various duties in support of the occupation until 6 March 1946 when she cleared for San Francisco, California, arriving 21 April.

Recommissioned 29 February 1952 as a result of the Korean War, Competent put to sea from Long Beach, California, 7 July and arrived at Sasebo, Japan, 7 August.