USS MACK DE 358 was constructed and launched by Consolidated Steel Corp., Orange, Texas. Construction began 14 Feb 1944 and she was launched 11 April 1944, sponsored by Mrs. Gertrude Mack, mother of Harold John Mack, GM2/c. MACK was commissioned 16 August 1944, Lt. Cmdr. J. F. Nelson, USNR, in command.

After initial shakedown exercises off the east coast, MACK assembled with ComCortDiv 82 at Norfolk, VA., 17 to 20 October, and departed on the 21st for the Panama Canal en route to the Pacific.  Becoming a unit of the 7th Fleet Mack escorted convoys between Hollandia, New Guinea, Kossol Roads, Palau Islands, and Leyte until March 1945.  On the 2nd of that month she commenced antisubmarine patrols in the South China Sea off the Philippines.  Investigating sonar contact on the 13th, Mack grounded on an uncharted shoal in Mangarin Bay, damaging both screws and tail shafts.  Towed to Hollandia for repairs, 14 April to 4 June, she returned to escort duty between Hollandia and Manila on the 14th.

A mont later MACK commenced working for the port director, Manila, escorting ships to San Fernando, Luzon, until the 3rd of August when she was placed under the authority of the port director, Subic, and escorted a convoy of landing craft from Subic Bay to Okinawa.

Two days after the signing of the surrender terms, MACK began air-sea rescue patrols between the Philippines and the Palaus, returning to escort duty on the 16th to accompany a slow tow through the "typhoon belt" to Okinawa.  Completing that assignment, she commenced air-sea rescue patrols east of Samar, Philippine Islands.

Relieved of this duy on 6 December, MACK got underway for Okinawa and Shanghai on 8 December, returning to Subic Bay on the 27th.

While standing by for escort duy at San Fernando, 10 January 1946, MACK answering a distress call from FS-274, proceeded through heavy weather to the disabled ship's position.  In the course of passing much needed food and water to the crew of the FS, the two ships collided, causing damage to Mack's bow (11 January).  MACK returned to San Fernando and escorted the waiting ships to Subic Bay, remaining at Subic for 3 weeks undergoing repairs and holding drills.

Departing Subic Bay 11 February, MACK joined Escort Division 33 and set course for Tsingtao, China, where the 7th Fleet was lending support to the US China policy standing by to protect, if  necessary, American interests during the fighting between the Nationalist forces and the Communists.  Arriving on the 20th, she took part in training exercises off the China coast and made brief trips to Shanghi and Taku before departing Chinese waters, 15 April, for Okinawa to take on naval passengers en route to the United States.

Arriving San Pedro 11 May 1946, MACK debarked her passengers, unloaded her ammunition and began undergoing a period of inactivation and preservation.  She was placed out of commission in reserve 11 December 1946 at San Diego.  She remained part of the Pacific inactive Fleet, berthed at Mare Island, CA, into 1969.

DE 358 was stricken from the Navy record 15 March 1972.  MACK was sold for scrapping to National Steel & Metal Corp., Term Island, CA., for $46,000 13 June 1973.

Source:
DANFS, Vol. 4, 1969, p. 181
US Navy Ship Dispositions:  Post-World War Two, 1996, Naval Sea Systems Command, Washington