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Sequence of Events: Saturday, December 6, 1941 - Washington
D.C. - U.S. President Franklin Roosevelt makes a final appeal
to the Emperor of Japan for peace. There is no reply. Late this
same day, the U.S. code-breaking service begins intercepting
a 14-part Japanese message and deciphers the first 13 parts,
passing them on to the President and Secretary of State. The
Americans believe a Japanese attack is imminent, most likely
somewhere in Southeast Asia.
Sunday, December 7 - Washington
D.C. - The last part of the Japanese message, stating that diplomatic
relations with the U.S. are to be broken off, reaches Washington
in the morning and is decoded at approximately 9 a.m. About an
hour later, another Japanese message is intercepted. It instructs
the Japanese embassy to deliver the main message to the Americans
at 1 p.m. The Americans realize this time corresponds with early
morning time in Pearl Harbor, which is several hours behind.
The U.S. War Department then sends out an alert but uses a commercial
telegraph because radio contact with Hawaii is temporarily broken.
Delays prevent the alert from arriving at headquarters in Oahu
until noontime (Hawaii time) four hours after the attack has
already begun.
Sunday, December 7 - Islands of Hawaii, near Oahu - The
Japanese attack force under the command of Admiral Nagumo, consisting
of six carriers with 423 planes, is about to attack. At 6 a.m.,
the first attack wave of 183 Japanese planes takes off from the
carriers located 230 miles north of Oahu and heads for the U.S.
Pacific Fleet at Pearl Harbor.
Pearl Harbor - At 7:02 a.m., two Army operators at
Oahu's northern shore radar station detect the Japanese air attack
approaching and contact a junior officer who disregards their
reports, thinking they are American B-17 planes which are expected
in from the U.S. west coast.
Near Oahu - At 7:15 a.m., a second attack wave
of 167 planes takes off from the Japanese carriers and heads
for Pearl Harbor.
Pearl Harbor is not on a state
on high alert. Senior commanders have concluded, based on available
intelligence, there is no reason to believe an attack is imminent.
Aircraft are therefore left parked wingtip to wingtip on airfields,
anti-aircraft guns are unmanned with many ammunition boxes kept
locked in accordance with peacetime regulations. There are also
no torpedo nets protecting the fleet anchorage. And since it
is Sunday morning, many officers and crewmen are leisurely ashore.
At 7:53 a.m., the first Japanese
assault wave, with 51 'Val' dive bombers, 40 'Kate' torpedo bombers,
50 high level bombers and 43 'Zero' fighters, commences the attack
with flight commander, Mitsuo Fuchida, sounding the battle cry:
"Tora! Tora! Tora!" (Tiger! Tiger! Tiger!).
The Americans are taken completely
by surprise. The first attack wave targets airfields and battleships.
The second wave targets other ships and shipyard facilities.
The air raid lasts until 9:45 a.m. Eight battleships are damaged,
with five sunk. Three light cruisers, three destroyers and three
smaller vessels are lost along with 188 aircraft. The Japanese
lose 27 planes and five midget submarines which attempted to
penetrate the inner harbor and launch torpedoes.
Escaping damage from the attack
are the prime targets, the three U.S. Pacific Fleet aircraft
carriers, Lexington, Enterprise and Saratoga, which were not
in the port. Also escaping damage are the base fuel tanks.
In Washington, various delays
prevent the Japanese diplomats from presenting their war message
to Secretary of State, Cordell Hull, until 2:30 p.m. (Washington
time) just as the first reports of the air raid at Pearl Harbor
are being read by Hull.
News of the "sneak attack"
is broadcast to the American public via radio bulletins, with
many popular Sunday afternoon entertainment programs being interrupted.
The news sends a shockwave across the nation and results in a
tremendous influx of young volunteers into the U.S. armed forces.
The attack also unites the nation behind the President and effectively
ends isolationist sentiment in the country.
Monday, December 8 - The United States and Britain declare
war on Japan with President Roosevelt calling December 7, "a
date which will live in infamy..."
Thursday, December 11 - Germany and Italy declare war on the
United States. The European and Southeast Asian wars have now
become a global conflict with the Axis powers; Japan, Germany
and Italy, united against America, Britain, France, and their
Allies.
Wednesday, December 17 - Admiral Chester W. Nimitz becomes
the new commander of the U.S. Pacific Fleet.
Both senior commanders at Pearl
Harbor; Navy Admiral Husband E. Kimmel, and Army Lt. General
Walter C. Short, were relieved of their duties following the
attack. Subsequent investigations will fault the men for failing
to adopt adequate defense measures.
When it was over, the U.S.losses
were:
Casualties
USA : 218 KIA, 364 WIA.
USN: 2,008 KIA, 710 WIA.
USMC: 109 KIA, 69 WIA.
Civilians: 68 KIA, 35 WIA.
TOTAL: 2,403 KIA, 1,178 WIA.
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Battleships
USS Arizona (BB-39) - total loss when a bomb hit her magazine.
USS Oklahoma (BB-37) - Total loss when she capsized and sunk
in the harbor.
USS California (BB-44) - Sunk at her berth. Later raised and
repaired.
USS West Virginia (BB-48) - Sunk at her berth. Later raised and
repaired.
USS Nevada - (BB-36) Beached to prevent sinking. Later repaired.
USS Pennsylvania (BB-38) - Light damage.
USS Maryland (BB-46) - Light damage.
USS Tennessee (BB-43) Light damage.
USS Utah (AG-16) - (former battleship used as a target) - Sunk.
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Cruisers
USS New Orleans(CA-32) - Light Damage..
USS San Francisco(CA38) - Light Damage.
USS Detroit(CL-8) - Light Damage.
USS Raleigh (CL-7) - Heavily damaged but repaired.
USS Helena(CL-50) - Light Damage.
USS Honolulu(CL-48) - Light Damage..
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Destroyers
USS Downes (DD-375) - Destroyed. Parts salvaged.
USS Cassin - (DD-37 2) - Destroyed. Parts salvaged.
USS Shaw (DD-373) - Very heavy damage.
USS Helm (DD-388) - Light Damage.
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Minelayer
USS Ogala (CM-4) - Sunk but later raised and repaired.
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Seaplane Tender
USS Curtiss (AV-4) - Severely damaged but later repaired.
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Repair Ship
USS Vestal (AR-4) - Severely damaged but later repaired.
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Harbor Tug
USS Sotoyomo (YT-9) - Sunk but later raised and repaired.
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Aircraft
188 Aircraft destroyed (92 USN and 92 U.S. Army Air Corps.)
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