World War II Database

Battle of the Komandorski Islands
26 Mar 1943

By Mar 1943, the Americans were planning to reclaim the islands of Attu and Kiska, which had been captured by the Japanese in 1942. The first step the Americans had taken was to deploy a task group in the area to inderdict Japanese supply convoys. On 26 Mar 1943, this task group, led by Rear Admiral Charles McMorris, found a convoy of the converted cruiser Akasa Maru and the transport Sakito Maru escorted by eight warships, including two heavy and two light cruisers. McMorris opened fire against one of the armed transports despite being outgunned, and resulted in one of the rare pure long-range naval gunfire engagements of the Pacific War.

McMorris had the heavy cruiser Salt Lake City and light crusier Richmond, his venerable flagship. Admiral Boshiro Hosogaya himself led the escort group, ordering Asaka Maru and Sakito Maru to move behind the escort group. Salt Lake City drew first blood against Nachi, damaging her superstructure and weather decks, killing many topside personnel and knocking out electric circuits. The fire control system was also knocked out, render Nachi's guns silent for several minutes. Destroyer Baily closed in and fired on Nachi as well, causing ammunition explosions. Nevertheless, the concerted firing from the Japanese task force hit Salt Lake City repeatedly, flooding one engine room. The American destroyers laid a smokescreen which allowed Salt Lake City to escape. The Japanese task force fired torpedoes, set at a slow speed and maximum range, but they all missed. Fearing American aerial intervention, Hosogaya disengaged his ships from combat and fell back to rejoin with Asaka Maru and Sakito Maru. His fear was confirmed when Asaka Maru reported two groups of American bombing aircraft were approaching from the direction of Adak; a PB2Y aircraft came close enough to Asaka Maru for positive identification, and the converted cruiser subsequently opened fire. Hosogaya was forced to retire from naval service shortly thereafter as a result of his rather under-aggressive performance.

Colonel Yasuyo Yamazaki, who was supposed arrive at Attu Island to take command of the garrison by means of this Japanese convoy, was subsequently delivered to Attu by submarine in Apr 1943.

Battle of Attu Island
11-29 May 1943

In late Sep 1942, the bulk of the Japanese garrison at Attu was transferred to Kiska, leaving Attu barely defended; distant from friendly bases, the Americans did not attempt to reclaim the island. On 29 Oct 1942, however, 500 Japanese troops returned, establishing a base at Holtz Bay under the command of Lieutenant Colonel Hiroshi Yanekawa. The size and strength of the garrison grew steadily over the next few months. By 10 Mar 1942, 2,300 men were present on the island, but after the action off Komandorski Islands in late Mar, the Japanese ceased attempts to supply Attu Island by surface vessels. Supplies trickled in by submarine only.

On 11 May 1943, Americans landed on Attu Island without resistance on the beach, and the officers smiled to each other as they thought it would be a easy battle. In fact, they believed that the island was so weakly held that the invasion troops only carried one day's worth of K-ration meals. They were proven wrong as soon as the troops moved further inland. Japanese troops in well-defended positions on high ground fought back ferociously. Meanwhile, the cold weather worsened the already-inefficient American logistics situation as trucks and other vehicles became trapped in the icy mud. Frostbite also was a major problem among the infantry. "It was so dang cold up there," said Edwin Trebian, an US Navy supply clerk; he vividly recalled the US Army soldiers staying in tents, keeping warm by means of a small stove while constantly fighting against the muddy ground that served as the tent floor. It took the Americans over two weeks to contain Japanese resistance in the area of Massacre Bay. On 29 May, Yamazaki led a suicide charge that penetrated the American line, surprising the rear echelon troops with hand-to-hand combat, nearly reaching the American artillery positions. Nevertheless, the Japanese final offensive was ultimately defeated. The Japanese who remained by that time committed ritual suicide, including Yamazaki.

The final casualty counts were stunningly high for both sides, especially considering that Attu was an island so remote in the North Pacific. Fighting nearly to the last man, the Japanese suffered 2,351 killed as counted by the Americans, though the actual number could be hundreds higher because some Japanese bodies might had been blown apart and made impossible to count, and because the Japanese regularly buried their dead in secret locations to hide their casualty numbers. The Americans suffered 3,929 casualties. Of that number, 549 were killed in combat; many more were killed by friendly fire or by booby traps installed by the Japanese. "There were so many [bodies]", recalled Trebian. "The Army just cut a path with a bulldozer and then shoved 'em in.... What else could they do?"

At Dutch Harbor, Unalaska, Alaska, United States, the Americans constructed a prisoner of war camp in anticipation of receiving prisoners from Attu. After the battle, they were surprised to find that only a handful of prisoners arrived.

Landing of Kiska Island
15-16 Aug 1943

During the winter of 1942 to 1943, Kiska Island was reinforced by sea. Like Attu, however, surface ships ceased visiting Kiska after the Komandorski Islands action. Nevertheless, by Jul 1943, 5,200 Japanese were present on the island. After the tough fight on Attu Island, Americans feared a similarly difficult battle, therefore a much larger force was deployed for the Kiska operation. 29,000 Americans and 5,300 Canadian troops landed on the island on 15 Aug and 16 Aug, respectively, supported by a powerful fleet centered around three battleships and a heavy cruiser and 168 aircraft, only to find the island deserted. Taking advantage of heavy fog more than two weeks before the invasion, the Japanese successfully evacuated the island of Kiska without detection on 28 Jul 1943. The Japanese did, however, leave deadly booby traps that killed upwards of 20 men as they secured the island.

Conclusion of the Campaign

The victories at Attu and Kiska Islands represented the first lost American territory to be recaptured, boosting American morale. With the Americans uninterested in a campaign across the Kuril Islands and the Japanese not holding Attu and Kiska for offensive purpose anyway, the Aleutian Islands became of little strategic importance for the remainder of the Pacific War.

Photographs

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Visitor Submitted Comments

1. E. H. Thomas says:
   12 Sep 2006 01:58:10 PM
   
   The landings to retake Kiska by Corletts Long-Knives began on 15 August not 7 August 1943.
2. Anonymous says:
   2 Feb 2008 01:46:22 PM
   
   does anyone know if any japanese were left on attu or kiska after the war alive ? not knowing the war ended. if so any info would be appreciated. thank's . toby in alaska.

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