Dashiell provided fire support, patrol, and convoy escort services from 6 April to 13 May as landings were made on the coast of New Guinea.

She sailed 4 June to guard transports held in reserve during the assaults on Saipan and on Tinian, then screened the landings at Guam during which she provided fire support from 20 to 26 July.

She downed at least three suicide planes, sank several Japanese small craft, and destroyed key positions ashore.

At the end of the war she entered Tokyo Bay and remained there until 6 September, when she sailed for Pearl Harbor and Charleston, South Carolina, arriving 21 October.

On 27 April 1953 she got underway for a round-the-world cruise, arriving at Yokosuka 2 June for operations off Korea and patrol duty in the Taiwan Straits until 9 October.

She continued west to call at Saigon, Singapore, Colombo, Port Said, Cannes, Nice, and Lisbon before reaching Philadelphia 4 December.

Between 1954 and 1959 Dashiell alternated four tours of duty with the 6th Fleet in the Mediterranean with local operations out of Newport and exercises in the Caribbean.