USS Mertz

History
United States
Name: Mertz
Laid down: 10 May 1943
Launched: 11 September 1943
Commissioned: 19 November 1943
Decommissioned: 23 April 1946
Struck: 1 October 1970
Honours and
awards:		 10 Battle Stars
Fate: Sold 16 December 1971, scrapped
General characteristics
Class and type: Fletcher-class destroyer
Displacement: 2,050 tons
Length: 376 ft 6 in (114.76 m)
Beam: 39 ft 8 in (12.09 m)
Draft: 17 ft 9 in (5.41 m)
Propulsion: 60,000 shp (45,000 kW); 2 propellers
Speed: 35 knots (65 km/h; 40 mph)
Range: 6,500 nmi (12,000 km) at 15 kn (28 km/h)
Complement: 336
Armament:

USS Mertz (DD-691) was a World War II-era Fletcher-class destroyer in the service of the United States Navy, named after Rear Admiral Albert Mertz.

Mertz was laid down by Bath Iron Works Corp., Bath, Maine on 10 May 1943 and launched on 11 September 1943; sponsored by Mrs. Selma M. Allen, daughter of Rear Admiral Mertz The ship was commissioned at Charlestown, Massachusetts on 19 November 1943, Commander William S. Estabrook, Jr., in command.

Service history

Arrival in the Pacific

After shakedown off Bermuda, Mertz departed Norfolk, Virginia, 26 January 1944 for the central Pacific, via the Panama Canal and San Diego, California, arriving at Pearl Harbor 5 March. On 9 March, the destroyer got underway for the Marshall Islands as convoy escort, arriving Majuro Atoll 6 days later. Mertz sailed on 22 March to join TG 58.2 and on 26 March and act as escort back to Majuro. En route on 31 March, she caught a Japanese maru at 0600 in the glare of her searchlights. The enemy merchant ship maneuvered to get away, only to go down under the hail of 5-inch (127 mm) projectiles from Mertz. The task group reached Majuro 6 April. Five days later Mertz steamed for the New Hebrides as a screen for the escort carrier Barnes, arriving at Espiritu Santo on 15 April.

In mid-May, the destroyer returned to Pearl Harbor to prepare for the Marianas campaign. She took fire support and patrol station close ashore to Saipan on 14 June, pounding gun emplacements in the daytime and at night maintaining illumination over the enemy lines until 22 June, when she began screening convoys.

Peleliu and Angaur

Mertz participated in the occupations of Peleliu and of Angaur in the Palau Islands, arriving 10 September. She retired to Manus, Admiralty Islands, on 23 September to prepare for the invasion of Leyte, Philippines.

Philippines campaign

On 20 October, D-Day for the Leyte landing forces, Mertz escorted landing craft through air attacks to the beach and later in the day patrolled off Dinagat Island at the entrance to Leyte Gulf. Early in the morning of 25 October as the Japanese Southern Force approached Leyte Gulf through the Mindanao Sea, Mertz and McNair patrolled between Desolation Point and Homonhon Island, lest the enemy fleet choose to steam north along the east coast of Dinagat Island to attack the Allied beachhead. When the Japanese entered Surigao Strait, Rear Admiral Jesse B. Oldendorf’s force met and destroyyed the enemy armada in the classic “crossing-of-the-T” maneuver known as the Battle of Surigao Strait, part of the overall Battle of Leyte Gulf. Later that same day Mertz splashed a Zero at several hundred yards with heavy machinegun fire.

With the Leyte beachhead established, the destroyer got underway 26 October for Hollandia, New Guinea, anchoring in Humboldt Bay on the 30th to replenish. She got underway for Leyte again 9 November escorting a reinforcement convoy arriving 5 days later. Mertz then continued on to Seeadler Harbor, Manus, to join a task unit staging for the daring expedition through the Sulu Sea, controlled by the enemy since early 1942, to capture Mindoro. The American ships had to contend with both a typhoon and heavy air attacks. Mertz splashed an Ki-43 ("Oscar") 15 December and assisted in the destruction of several others. Departing San Pedro Bay 4 January 1945, she made another voyage through the Sulu Sea, to support the invasion of Luzon at Lingayen Gulf on 9 January before returning to San Pedro Bay on 16 January.

Attacks on Japan

On 10 February, Mertz steamed from Ulithi for three months at sea with the Fast Carrier Task Force. During this time, she played a role in the airstrikes on the Tokyo area 16 February, the landings on Iwo Jima 19 February, and the raids on Okinawa 1 March. While screening the flattops off Kyūshū, Japan, in March, she downed two more enemy planes. While operating off Okinawa Mertz helped sink the Japanese submarine I-56 on 18 April.[1] The destroyer retired to Ulithi 14 May, before returning to Okinawa on 24 May. She next steamed to Okino Daito Jima which she bombarded on 9 June. The next day, she got underway for Leyte Gulf, anchoring at San Pedro Bay 13 June.

As part of Adm. Willam F. Halsey’s 3rd Fleet she cleared San Pedro on 1 July, and nine days later arrived at the launching area off the southeast coast of Tokyo for strike on the Japanese home islands. Beginning with the attacks on Tokyo 10 July, Mertz ranged up and down the coasts of Japan until she joined an antishipping sweep in the Kuriles while en route to the Aleutians. The destroyer arrived at Adak 14 August, the day of Japan’s capitulation.

End of World War II and fate

Mertz's first and only peacetime duty came 31 August, when she departed Adak for Japan, arriving Ominato, northern Honshū, on 8 September, to operate with the 3rd Fleet during the occupation of the northern Honshū-Hokkaidō area. On 15 September the destroyer departed Ominato Harbor for the west coast, arriving San Francisco on 30 September.

On 1 December, Mertz steamed to San Diego, where she decommissioned 23 April 1946 and entered the Pacific Reserve Fleet. She was reassigned to the Long Beach, California, group 1 July 1951 and the Stockton, California, group 1 January 1959, to remain there into 1969.

Awards

Mertz received 10 battle stars for World War II service.

References

  1. ↑ Fitzsimons, Bernard, general editor. Illustrated Encyclopedia of 20th Century Weapons & Warfare (Phoebus, 1978), Vol 13, p.1409, "I54". He mistakenly identifies I-56 as I-58, however.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.

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