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|Invasion of Hawaii|
|Part of Pacific War|
|United States of America||Empire of Japan|
|Commanders and leaders|
|Husband E. Kimmel
115 other ships
6 aircraft Carriers
|Casualties and losses|
2 battleships sunk
1 battleship grounded
1 cruiser sunk
2 destroyers damaged
216 aircraft destroyed
141 aircraft damaged
6 submarines destroyed
78 aircraft destroyed
1 cruiser sunk
1 aircraft carrier damaged
|9,436 civilians casualties|
The Invasion of Hawaii began on December 7, 1941 when the Japanese bombed Pearl Harbor. By December 14, they captured the island of Oahu. The largest and deadliest battle throughout the invasion was the Battle of Pearl Harbor, where Japanese forces attempted to take the Naval Base from the remaining American soldiers there.
By January 6 1942, Japanese forces would have pushed the American forces off the island of Hawaii, the largest island in the Hawaiian Islands. Most fighting was over by mid-January.
The attack on Pearl Harbor, then later the loss of multiple territories of the United States, fueled the rage of the nation, which awakened the sleeping giant, turning it from a dormant, isolated nation into a world military power. Most of the desire for revenge was used successfully in Doolittle's raid, which was the bombing of Tokyo from the Soviet Union.
The possibility of a war between the United States and Japan had been known since the 1920s, but tensions began to grow seriously after Japan's 1931 invasion of China. Japan stopped their expansions into China after this, but both countries knew war was inevitable. After the Japanese invaded French Indochina in 1940 did tensions grow again. President Roosevelt moved the American Pacific Fleet from San Diego to Pearl Harbor, Hawaii in early 1941 and also ordered for a military buildup in the Pacific in case Japan made another move against American interests.
After the Japanese expansion in Indochina, the U.S ceased oil exports to Japan. This was seen as an act of war, and started making plans to invade the oil-rich Dutch East Indies. The Japanese knew that an invasion of the Dutch East Indies would lead to a war between Japan and the western nations, the United States included. This would lead to the Japanese planning for a strike directly at the American Pacific Fleet in Hawaii. The Japanese knew that just a strike at the fleet wouldn't be enough to damage the overall United States military in the Pacific and would just give the American people a reason to fight, so they started planning for an entire invasion of Hawaii, and eventually, the continental United States
The Japanese Task Force left their port, under strict radio silence, on November 26, 1941.
Attack on Pearl Harbor
Around 7:25 AM Hawaiian Time, a U.S army radar picked up on an incoming fleet of aircraft. In OTL it was believed to be scheduled incoming, but in this ALT, the massive size of the fleet makes the radar operators realize that a massive aircraft fleet is coming to bomb Pearl Harbor, and alert the naval base. Due to this, much more aircraft and anti-air guns are ready, and much more sailors are, at the very least, are awake.
At 7:48 AM Hawaiian Time, Japanese planes bombed Pearl Harbor. The first wave, compromised of 183 planes, began attacking their targets. Some american planes were able to take off in time and had engaged in dogfights against the Japanese in the skies.
The Second Wave, compromised of 171 planes, took off not to long after the first wave began their attack. The second wave's target was mainly the aircraft stationed at Pearl Harbor. Much more Japanese aircraft were taken out at this point, due to a good amount of American fighters being able to take off and engage the Japanese in the skies.
Ninety minutes after it began, the attack was over. 2,286 Americans died and 98 Japanese pilots died. The reports of the attack on Pearl Harbor shocked the nation. Radio reports were now stating that the Japanese invasion of Hawaii was commencing.
Aftermath and Invasion of Hawaii
Evacuations and Doolittle's Crossing
After the Japanese attack on Pearl Harbor had ended, Japanese reconnaissance planes were reported too have been seen flying throughout Hawaii, a plan to evacuate the most important people throughout the Hawaiian island back to the mainland. The crossing, dubbed Doolittle's Crossing, used thirty three PBY Catalina seaplanes and ten B-17 bombers to carry the VIPs, and had over 75 escort fighters to protect them. They were mostly the P-40 Warhawk, but also involved the P-36, F4F and F2A. This was planned and led by Major Jimmy Doolittle. Most of the men brought were generals, admirals, high ranking officers, and others that could be of good use to the American war effort, which would be needed now. Others brought were officials in the American government currently on leave/vacation in Hawaii, and some soldiers and sailors who were wounded in combat and could survive the journey.
The air fleet off at 4:46 PM Hawaiian Time, with a total of 33 PBYs and 106 fighters for cover and were attacked by Japanese planes almost immediately. The Japanese generals didn't expect that they would try to escape so early, and many of the Japanese planes that attacked them were recruits on patrol, and because of that, their was little casualties. Only 14 American fighters were taken out, and 21 Japanese aircraft were taken down. No PBYs were shot down. Eventually most fighter pilots found their way to the aircraft carriers, leading to them being stuffed with aircraft. Most PBYs were able to make it back to the mainland, save for 3 which had mechanical difficulties and had to land in the water and were picked up by multiple ships. One B-17 was shot down after two engines shutdown due to a strafe run by a Japanese fighter and led to the B-17 crashing into the water.
Many of the ships in Pearl Harbor had started sailing back to the mainland and brought as many supplies and men as they could. Many also brought civilians, leaving the supplies for the soldiers staying to defend the islands and evacuations for as long as possible. Some officers and other high ranking military officials decided to stay in Hawaii to help lead the military in the defense of Hawaii and try getting the morale of the military higher.
Invasion of Hawaii
Most of the soldiers and sailors still in Hawaii knew that they wouldn't be able to push the Japanese out of Hawaii, and even if they did, the Japanese navy easily could just blockade the islands and starve them out. The invasion began at 6:15 Hawaiian time, with around 25,000 Japanese soldiers landing on the beaches of Oahu, Niihau and Kauai simultaneously. Niihau fell on December 9th and Kauai fell on December 10th. The situation in Oahu, was much different. A few destroyers and a battleship that were either too damaged or were completely immobilized were used as anti-air batteries, and then later as ground support when the Japanese forces got close enough. Any ship or aircraft in Hawaii that was usable, large or wasn't already being used by it's owner was either taken, given or bought by the military and government to evacuate civilians to either California, Alaska, Midway island, or American naval ships, which were scattered across the Pacific at this point.
The Defense of Pearl Harbor begins with the defense from air attacks on December 7th, and from land attacks begin December 9th. The Defense of Pearl Harbor ends on December 12th, after American soldiers lower the final american flag still raised in Pearl Harbor, before they left the base, due to most of the defense having been evacuated or killed that morning, leaving 87 soldiers to defend the base after their evacuation ship had been sunk as it approached the harbor.