Following shakedown off New England, Pelias sailed for the Pacific 9 October 1941.
Steaming via San Diego, California, she arrived Pearl Harbor 21 November 1941 as the tender for Submarine Squadron Six.
Six days later she began sub overhauls at the Submarine Base where she was berthed during the Japanese attack 7 December 1941.
During the sneak attack her guns splashed one enemy torpedo plane, and damaged a second, as they made their deadly runs along the main channel little more than 100 yards from her port side.
She resumed repair duty shortly after the attack and during the early months of the war provided valuable assistance as the United States Pacific Fleet prepared for the long struggle for supremacy of the Pacific.

After servicing almost a score of submarines at Pearl Harbor, Pelias steamed to San Francisco late in May 1942 and took on spare parts, provisions, and ammunition.
Departing for the Southwest Pacific 22 June 1942, she touched at Melbourne, Australia, 16 July and reached Albany, Australia, the 23d.
Assigned to duty under Rear Admiral Charles A. Lockwood, ComSubSoWesPac, she refitted the 10 submarines of Submarine Squadron 6 at Albany before shifting her base to Fremantle, Western Australia, 27 October.
There, she relieved Holland as mother ship for the SoWesPac submarines, which pressed the attack against Japanese naval and merchant shipping.
Except for brief deployments to Exmouth Gulf in May 1943 and to Albany in March 1944, Pelias operated out of Fremantle during her Australian employment.
Between July 1942 and May 1944 she overhauled, repaired, and refitted 59 submarines of Submarine Squadrons 6, 12, and 16.

Ordered home in May 1944, she departed Fremantle 15 May 1944, touched at Pearl Harbor 6 June and reached San Francisco the 15th.
For more than two months she underwent overhaul at Mare Island Naval Shipyard; thence, from 10 to 18 September, she steamed to Hawaii.
Engine repairs delayed her deployment to Midway, but they did not hinder her sub-tending duties.
She refitted 7 subs before sailing to Midway 9 January 1945.
Assigned to Submarine Squadron 32, Pelias completed 15 sub refits and voyage repairs during the next four months.
Between 26 May and 10 June she steamed via Pearl to San Diego where she undertook the repair and decommissioning overhaul of the S class submarines of Submarine Squadron 45.
Following shakedown off New England, Pelias sailed for the Pacific 9 October 1941. Steaming via San Diego, California, she arrived Pearl Harbor 21 November 1941 as the tender for Submarine Squadron Six. Six days later she began sub overhauls at the Submarine Base where she was berthed during the Japanese attack 7 December 1941. During the sneak attack her guns splashed one enemy torpedo plane, and damaged a second, as they made their deadly runs along the main channel little more than 100 yards from her port side. She resumed repair duty shortly after the attack and during the early months of the war provided valuable assistance as the United States Pacific Fleet prepared for the long struggle for supremacy of the Pacific.
After servicing almost a score of submarines at Pearl Harbor, Pelias steamed to San Francisco late in May 1942 and took on spare parts, provisions, and ammunition. Departing for the Southwest Pacific 22 June 1942, she touched at Melbourne, Australia, 16 July and reached Albany, Australia, the 23d. Assigned to duty under Rear Admiral Charles A. Lockwood, ComSubSoWesPac, she refitted the 10 submarines of Submarine Squadron 6 at Albany before shifting her base to Fremantle, Western Australia, 27 October. There, she relieved Holland as mother ship for the SoWesPac submarines, which pressed the attack against Japanese naval and merchant shipping. Except for brief deployments to Exmouth Gulf in May 1943 and to Albany in March 1944, Pelias operated out of Fremantle during her Australian employment. Between July 1942 and May 1944 she overhauled, repaired, and refitted 59 submarines of Submarine Squadrons 6, 12, and 16.
Ordered home in May 1944, she departed Fremantle 15 May 1944, touched at Pearl Harbor 6 June and reached San Francisco the 15th. For more than two months she underwent overhaul at Mare Island Naval Shipyard; thence, from 10 to 18 September, she steamed to Hawaii. Engine repairs delayed her deployment to Midway, but they did not hinder her sub-tending duties. She refitted 7 subs before sailing to Midway 9 January 1945. Assigned to Submarine Squadron 32, Pelias completed 15 sub refits and voyage repairs during the next four months. Between 26 May and 10 June she steamed via Pearl to San Diego where she undertook the repair and decommissioning overhaul of the S class submarines of Submarine Squadron 45.
USS Pelias (AS-14)