USS Hammann (DD-412)

For other ships with the same name, see USS Hammann.
Hammann after completion in 1939
United States
Name: United States Ship Destroyer Hamman
Builder: Federal Shipbuilding and Drydock Company
Laid down: 17 January 1938
Launched: 4 February 1939
Commissioned: 11 August 1939
In service: No
Out of service: Yes
Renamed: No
Identification: DD 412
Honors and
American Defense Service Medal ("Fleet" clasp, "A" device), Asiatic-Pacific Campaign Medal (2 stars), World War II Victory Medal
Fate: Sunk by I-168 on 6 June 1942 (80 fatalities)
General characteristics
Class and type: Sims-class destroyer
  • 1,570 long tons (1,600 t) (std)
  • 2,211 long tons (2,246 t) (full)
Length: 348 ft, 3¼ in, (106.15 m)
Beam: 36 ft, 1 in (11 m)
Draft: 13 ft, 4.5 in (4.07 m)
Propulsion: High-pressure super-heated boilers, geared turbines with twin screws, 50,000 horsepower
Speed: 35 knots
Range: 3,660 nautical miles at 20 kt (6,780 km at 37 km/h)
Complement: 192 (10 officers/182 enlisted)
  • 5 × 5 inch/38, in single mounts
  • 4 × .50 caliber/90, in single mounts
  • 8 × 21 inch torpedo tubes in two quadruple mounts
  • 2 × depth charge track, 10 depth charges

USS Hammann (DD-412) was a World War II-era Sims-class destroyer in the service of the United States Navy, named after Ensign Charles Hammann, a Medal of Honor recipient from World War I. Hammann was sunk during the Battle of Midway, trying to assist the sinking aircraft carrier USS Yorktown.

Hammann was launched by the Federal Shipbuilding and Drydock Company, Kearny, New Jersey on 4 February 1939; sponsored by Miss Lillian Hammann; and commissioned on 11 August 1939, Commander Arnold E. True in command. Hammann conducted shakedown off the East Coast and for the next two years participated in training and readiness operations off both coasts.

Service history

Pacific Duty

At Iceland on 7 December 1941, she quickly returned to Norfolk, Virginia, for fuel and supplies, and departed on 6 January 1942, 5 months before her destruction, for the Pacific. She arrived San Francisco on 22 January via the Panama Canal and sailed on 25 February with Vice Admiral Frank Jack Fletcher's Task Force 17 for action in the South Pacific.

The destroyer took part in training maneuvers in the New Caledonia area during early March, and on 27 March the Task Force departed for the Coral Sea. Hammann acted as screening ship and plane guard for Lexington, Returning to Tongatapu on 20 April, the Task Force sortied again into the Coral Sea on 27 April for a surprise air raid on Japanese Invasion forces on Tulagi.

While screening the carriers during the air raids of 4 May, Hammann was directed to rescue two fighter pilots downed on Guadalcanal, some 40 miles (65 km) to the north. Steaming at full speed, the destroyer arrived at dusk and sighted a marker on the beach, which proved to be a parachute. The motor whaleboat was put over the side, but dangerous surf prevented it from landing. Consequently, the pilots were recovered with the use of lines from the boat. This accomplished, an attempt was made to destroy the wreckage of the aircraft, but the rough water made this impossible, and Hammann returned to Lexington's screen from this successful operation that night.

The Battle of the Coral Sea

On 8 May came the main action of the Battle of the Coral Sea, the first naval engagement fought entirely on both sides between aircraft and ships. During the exchange of air attacks, Hammann screened the carriers, firing at Japanese torpedo planes as they attacked. Just as the torpedo planes retired, dive bombers appeared, one exploding a bomb a scant 200 yards (200 m) off Hammann's starboard bow. Lexington, which had taken two devastating torpedo hits to port, was first thought to be under control, but a large internal explosion shortly before 1300, followed later by others, sealed her fate. As the order was given to abandon ship, Hammann, Morris, and Anderson stood by to receive survivors. The destroyer picked up nearly 500 men from the water before "Lady Lex" went down the night of 8 May, torpedoed by Phelps.

The Battle of Midway

Hammann sinking by the bow after being torpedoed and breaking in half.

The Battle of the Coral Sea, which checked the Japanese advance to the southeast, was over, but new demands called Hammann to the north. Under urgent orders from Admiral Chester Nimitz to meet a new threat, Hammann moved to Pearl Harbor with the Task Force, arriving on 27 May. After making repairs, it got underway on 30 May and was just in time to take part in the Battle of Midway.

During the air battle on 4 June, Hammann screened Yorktown, helping to shoot down many of the attacking aircraft. However, the carrier took two torpedo hits and, listing heavily, was abandoned that afternoon. Hammann picked up survivors in the water, including Yorktown's skipper, Captain Buckmaster, and transferred them to the larger ships. Efforts were mounted to save the stricken carrier on the next morning. A skeleton crew returned on board the Yorktown, and attempts were made to tow her to safety. Hammann came alongside on 6 June to transfer a damage control party. The destroyer then lay alongside, providing hoses and water for firefighting, power, and other services while tied up next to the carrier.

The salvage party was making progress when the protective destroyer screen was penetrated by Japanese submarine I-168 after noon on 6 June. Four torpedoes were loosed; one missed, two passed under Hammann and hit Yorktown, and the fourth hit the destroyer amidships, breaking her in half.

As the debris from the explosion rained down and the ships lurched apart, it was apparent that the Hammann was doomed. Life rafts were lowered and rescue efforts began by surrounding ships. The Hammann sank, bow first, in just 4 minutes, and, following the sinking, a violent underwater explosion happened, likely from the destroyer's depth charges and torpedoes, which caused many deaths in the water, bringing the toll of dead to 80. Survivors were taken aboard the destroyers Benham and Balch.


Hammann's skipper, Commander Arnold True, was awarded the Navy Cross and a Navy Distinguished Service Medal for his performance while in command of Hammann at Coral Sea and Midway. Hammann also received two battle stars for her service in World War II.

Bronze star
Bronze star
Bronze star
American Defense Service Medal
with "A" Device and "Fleet" clasp
Asiatic-Pacific Campaign Medal
with 2 stars
World War II Victory Medal


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Coordinates: 30°36′N 176°34′W / 30.600°N 176.567°W / 30.600; -176.567

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