Attack on Pearl Harbor

1
Attack on Pearl Harbor

• December 7th, 1941

2
Planning the Attack

• Plan to attack Pearl Harbor was discussed as
  early as March of 1940
• The strategy was written by Admiral Yamamoto in
  Jan. 1941
• Japanese trained for the attack at small bases to
  simulate Pearl Harbor.

3
3 Problems

• Refueling in the Pacific
• Tankers would follow larger ships to refuel
• Accuracy of the Pilots
• Experimented with altitude and dive angles
  allowed accuracy rate of bombers to improve to
  70
• Depth of the torpedoes
• Used a stabilizer fin on the torpedo to reduce
  the depth to 40ft. So that the torpedo could hit
  its target.

4
That mornings map.
5
December 7, 1941the early morning

• The attack was planned by Isoroku Yamamoto
• The first attack occurred at 755 a.m.
• The second attack followed at 854 a.m.

6
Attack Visual

• The first attacks would hit the USS Oklahoma,
  West Virginia,
• Arizona, and Nevada.
• The second attack would hit USS Pennsylvania, and
  cruisers
• San Francisco, and New Orleans.

7
Attacks Casualities

• Other
• 188 aircraft destroyed on ground
• 2,330 servicemen killed
• 100 civilians killed

• Ships
• 3 battleships sunk
• 3 battleships disabled
• 11 other ships sunk/damaged

8
Ship Casualities

• Sunk
• USS California
• USS West Virginia
• Oglala (minelayer)
• Were all later raised and rebuilt.

• Destroyed
• USS Arizona
• USS Utah
• USS Oklahoma
• (was raised)

9
Roosevelt Announces to the World

• December 7, 1941- a date which will live in
  infamy- the United States was suddenly and
  deliberately attacked by naval and air forces of
  the Empire of Japan.

10
During the Attack
Japan would control the entire Pacific by
December 8
11
After the Attack

• December 8 United States declared war on Japan.
• December 11 Germany declared war on America.
• Italy then declared war on America.
• Great Britain declared war on Japan.

12
Americas Reaction

• Many sons enlisted into the military to help
  fight the war.
• Many daughters entered the work force to help aid
  the cause.

13
USS Arizona

• Positioned in Battle Row.
• Hit within 10 min. after attack began.
• Bomb crashed through the 2 armored decks,
  igniting its magazine.
• Went down with 1,300 lives.

14
USS Arizona Memorial

• Created to honor the survivors of Pearl Harbor,
  their families and friends, and to all those who
  died.
• The ship has been preserved as a tomb for those
  who went down with the ship.
• Erected in 1962.