73rd Anniversary Of The Attack On Pearl Harbor, December 7th 1941, A Day That Will Live In Infamy

Pearl Harbor Before The Attack

 

The attack on Pearl Harbor (called Hawaii Operation or Operation AI by the Japanese Imperial General Headquarters (Operation Z in planning) and the Battle of Pearl Harbor was a surprise military strike conducted by the Imperial Japanese Navy against the United States naval base at Pearl Harbor, Hawaii, on the morning of December 7, 1941 (December 8 in Japan), 73 years ago today. The attack was intended as a preventive action in order to keep the U.S. Pacific Fleet from interfering with military actions the Empire of Japan was planning in Southeast Asia against overseas territories of the United Kingdom, the Netherlands, and the United States.

As the first wave approached Oahu, it was detected by the U.S. Army SCR-270 radar at Opana Point near the island’s northern tip. This post had been in training mode for months, but was not yet operational. Although the operators, Privates George Elliot Jr. and Joseph Lockard, reported a target, a newly assigned officer at the thinly manned Intercept Center, Lieutenant Kermit A. Tyler, presumed it was the scheduled arrival of six B-17 bombers. The direction from which the aircraft were coming was close (only a few degrees separated the two inbound courses), while the operators had never seen a formation as large on radar; they neglected to tell Tyler of its size, while Tyler, for security reasons, could not tell them the B-17s were due (even though it was widely known).

As the first wave planes approached Oahu, they encountered and shot down several U.S. aircraft. At least one of these radioed a somewhat incoherent warning. Other warnings from ships off the harbor entrance were still being processed or awaiting confirmation when the attacking planes began bombing and strafing. Nevertheless, it is not clear any warnings would have had much effect even if they had been interpreted correctly and much more promptly. The results the Japanese achieved in the Philippines were essentially the same as at Pearl Harbor, though MacArthur had almost nine hours warning that the Japanese had already attacked at Pearl.

The air portion of the attack on Pearl Harbor began at 7:48 a.m. Hawaiian Time (3:18 a.m. December 8 Japanese Standard Time, as kept by ships of the Kido Butai), with the attack on Kaneohe. A total of 353 Japanese planes in two waves reached Oahu. Slow, vulnerable torpedo bombers led the first wave, exploiting the first moments of surprise to attack the most important ships present (the battleships), while dive bombers attacked U.S. air bases across Oahu, starting with Hickam Field, the largest, and Wheeler Field, the main U.S. Army Air Corps fighter base. The 171 planes in the second wave attacked the Air Corps’ Bellows Field near Kaneohe on the windward side of the island, and Ford Island. The only aerial opposition came from a handful of P-36 Hawks, P-40 Warhawks and some SBD Dauntless dive bombers from the carrierUSS Enterprise.

Men aboard U.S. ships awoke to the sounds of alarms, bombs exploding, and gunfire, prompting bleary-eyed men to dress as they ran to General Quarters stations. (The famous message, “Air raid Pearl Harbor. This is not drill.”, was sent from the headquarters of Patrol Wing Two, the first senior Hawaiian command to respond.) The defenders were very unprepared. Ammunition lockers were locked, aircraft parked wingtip to wingtip in the open to deter sabotage, guns unmanned (none of the Navy’s 5″/38s, only a quarter of its machine guns, and only four of 31 Army batteries got in action). Despite this low alert status, many American military personnel responded effectively during the battle. Ensign Joe Taussig, Jr., the only commissioned officer aboard USS Nevada, got the ship underway during the attack but lost a leg. The ship was beached in the harbor by the Senior Quartermaster. One of the destroyers, USS Aylwin, got underway with only four officers aboard, all ensigns, none with more than a year’s sea duty; she operated at sea for 36 hours before her commanding officer managed to get back aboard. Captain Mervyn Bennion, commanding USS West Virginia, led his men until he was cut down by fragments from a bomb which hit USS Tennessee, moored alongside.
The base was attacked by 353 Japanese fighters, bombers and torpedo planes in two waves, launched from six aircraft carriers. All eight U.S. Navy battleships were damaged, with four being sunk. Of these eight damaged, two were raised, and with four repaired, six battleships returned to service later in the war. The Japanese also sank or damaged three cruisers, three destroyers, an anti-aircraft training ship, and one mine-layer. 188 U.S. aircraft were destroyed; 2,402 Americans were killed and 1,282 wounded. Important base installations such as the power station, shipyard, maintenance, and fuel and torpedo storage facilities, as well as the submarine piers and headquarters building (also home of the intelligence section) were not attacked.

Japanese losses were light: 29 aircraft and five midget submarines lost, and 65 servicemen killed or wounded. One Japanese sailor was captured.
The attack came as a profound shock to the American people and led directly to the American entry into World War II in both the Pacific and European theaters. The following day (December 8), the United States declared war on Japan. Domestic support for non-interventionism, which had been strong, disappeared. Clandestine support of Britain (for example the Neutrality Patrol) was replaced by active alliance. Subsequent operations by the U.S. prompted Germany and Italy to declare war on the U.S. on December 11, which was reciprocated by the U.S. the same day.
There were numerous historical precedents for unannounced military action by Japan. However, the lack of any formal warning, particularly while negotiations were still apparently ongoing, led President Franklin D. Roosevelt to proclaim December 7, 1941, “a date which will live in infamy”.

 

Pearl Harbor During Attack

Ninety minutes after it began, the attack was over. 2,386 Americans died (55 were civilians, most killed by unexploded American anti-aircraft shells landing in civilian areas), a further 1,139 wounded. Eighteen ships were sunk or run aground, including five battleships.

Of the American fatalities, nearly half of the totals (1,177) were due to the explosion of Arizona‘s forward magazine after it was hit by a modified 40 cm (16 in.) shell.

Already damaged by a torpedo and on fire amidships, Nevada attempted to exit the harbor. She was targeted by many Japanese bombers as she got under way and sustained more hits from 250 lb (113 kg) bombs, which started further fires. She was deliberately beached to avoid blocking the harbor entrance.

California was hit by two bombs and two torpedoes. The crew might have kept her afloat, but were ordered to abandon ship just as they were raising power for the pumps. Burning oil from Arizona and West Virginia drifted down on her, and probably made the situation look worse than it was. The disarmed target ship Utah was holed twice by torpedoes. West Virginia was hit by seven torpedoes, the seventh tearing away her rudder. Oklahoma was hit by four torpedoes, the last two above her belt armor, which caused her to capsize. Maryland was hit by two of the converted 40 cm shells, but neither caused serious damage.

Battleship USS West Virginia took two aerial bombs, both duds, and seven torpedo hits, one of which may have come from a midget submarine.

Battleship USS West Virginia took two aerial bombs, both duds, and seven torpedo hits, one of which may have come from a midget submarine.

Although the Japanese concentrated on battleships (the largest vessels present), they did not ignore other targets. The light cruiser Helena was torpedoed, and the concussion from the blast capsized the neighboring minelayer Oglala. Two destroyers in dry dock, Cassin and Downes were destroyed when bombs penetrated their fuel bunkers. The leaking fuel caught fire; flooding the dry dock in an effort to fight fire made the burning oil rise, and both were burned out. Cassin slipped from her keel blocks and rolled against Downes. The light cruiser Raleigh was holed by a torpedo. The light cruiser Honolulu was damaged but remained in service. The repair vessel Vestal, moored alongside Arizona, was heavily damaged and beached. The seaplane tender Curtiss was also damaged. The destroyer Shaw was badly damaged when two bombs penetrated her forward magazine.

 

Attack On Battleship Row

Of the 402 American aircraft in Hawaii, 188 were destroyed and 159 damaged,155 of them on the ground. Almost none was actually ready to take off to defend the base. Eight Army Air Corps pilots managed to get airborne during the battleand six were credited with downing at least one Japanese aircraft during the attack, 1st Lt. Lewis M. Sanders, 2nd Lt. Philip M. Rasmussen, 2nd Lt. Kenneth M. Taylor, 2nd Lt. George S. Welch, 2nd Lt. Harry W. Brown, and 2nd Lt. Gordon H. Sterling Jr. Sterling was shot down and killed by friendly fire returning from the fight. Of 33 PBYs in Hawaii, 24 were destroyed, and six others damaged beyond repair. (The three on patrol returned undamaged.) Friendly fire brought down some U.S. planes on top of that, including five from an inbound flight from Enterprise. Japanese attacks on barracks killed additional personnel.

Fifty-five Japanese airmen and nine submariners were killed in the action, and one was captured. Of Japan’s 414 available planes, 29 were lost during the battle (nine in the first attack wave, 20 in the second), with another 74 damaged by antiaircraft fire from the ground.

Possible third wave

Several Japanese junior officers, including Mitsuo Fuchida and Minoru Genda, the chief architect of the attack, urged Nagumo to carry out a third strike in order to destroy as much of Pearl Harbor’s fuel and torpedo storage, maintenance, and dry dock facilities as possible, and the captains of the other five carriers in the formation reported they were willing and ready to carry out a third strike. Military historians have suggested the destruction of these would have hampered the U.S. Pacific Fleet far more seriously than loss of its battleships. If they had been wiped out, “serious [American] operations in the Pacific would have been postponed for more than a year” according to American Admiral Chester Nimitz, later Commander in Chief of the Pacific Fleet, “it would have prolonged the war another two years.” Nagumo, however, decided to withdraw for several reasons:

  • American anti-aircraft performance had improved considerably during the second  strike, and two thirds of Japan’s losses were incurred during the second wave. Nagumo felt if he launched a third strike, he would be risking three quarters of the Combined Fleet’s strength to wipe out the remaining      targets (which included the facilities) while suffering higher aircraft losses.
  • The location of the American carriers remained unknown. In addition, the admiral was concerned his force was now within range of American land-based bombers. Nagumo was uncertain whether the U.S. had enough surviving planes remaining on Hawaii to launch an attack against his carriers.
  • A third wave would have required substantial preparation and turnaround time, and would have meant returning planes would have had to land at night. At the      time, only the (British) Royal Navy had developed night carrier techniques, so this was a substantial risk.
  • The task force’s fuel situation did not permit him to remain in waters north of      Pearl Harbor much longer, since he was at the very limit of logistical support. To do so risked running unacceptably low on fuel, perhaps even having to abandon destroyers en route home.
  • He believed the second strike had essentially satisfied the main objective of his mission—the neutralization of the Pacific Fleet—and did not wish to risk further losses. Moreover, it was Japanese Navy practice to prefer the conservation of strength over the total destruction of the enemy.

At a conference aboard Yamato the following morning, Yamamoto initially supported Nagumo. In retrospect, sparing the vital dockyards, maintenance shops, and oil depots meant the U.S. could respond relatively quickly to Japanese activities in the Pacific. Yamamoto later regretted Nagumo’s decision to withdraw and categorically stated it had been a great mistake not to order a third strike.

Ships lost or damaged

Battleships

  • Arizona:  Exploded; total loss. 1,177 dead.
  • Oklahoma: Capsized, 429 dead. Refloated November 1943; capsized and lost while under tow to the mainland May 1947
  • West Virginia: two bombs, seven torpedoes, sunk; returned to service July 1944. 106 dead.
  • California: two bombs, two torpedoes, sunk; returned to service January 1944. 100 dead.
  • Nevada: six bombs, one torpedo, beached; returned to service October 1942. 60 dead.
  • Tennessee: two bombs; returned to service February 1942. 5 dead.
  • Maryland: two bombs; returned to service February 1942. 4 dead (including floatplane pilot shot down).
  • Pennsylvania(Kimmel’s Flagship): in dry-dock with Cassin and Downes, one      bomb, debris from USS Cassin; remained in service. 9 dead.

Ex-battleship (target/AA training ship)

  • Utah: Capsized; total loss. 58 dead.

Cruisers

  • Helena: One torpedo; returned to service January 1942. 20 dead.
  • Raleigh: One torpedo; remained in service.
  • Honolulu: Near miss, light damage; remained in service.

Destroyers

  • Cassin: in dry-dock with Downes and Pennsylvania, one bomb, burned;      returned to service February 1944.
  • Downes: in dry-dock with Cassin and Pennsylvania, caught fire from Cassin,      burned; returned to service November 1943.
  • Shaw: Three bombs; returned to service June 1942.

Auxiliaries

  • Oglala (minelayer): Damaged by torpedo hit on Helena, capsized; returned to service (as engine-repair ship) February 1944.
  • Vestal (repair ship): Two bombs, blast and fire from Arizona, beached; returned to service by August 1942.
  • Cutiss(seaplane tender): One bomb, one Japanese aircraft; returned to service      January 1942. 19 dead.

 

USS Arizona

Here is FDR’s famous speech:

 

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