that why the y entered wwii
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The Civil Defense Corps was established during WWII and continued during The Cold War. It kept an eye on the US borders so we wouldn't go through another Pearl Harbor.
During the Pearl Harbor attack, ground forces and the ships in the harbor under attack, returned fire on the Japanese.Several Army Air Corps and Naval planes took to the air and intensely, heroically battled the Japanese planes.The answer to your question is ... Immediately.
At the beginning of the Battle of Cold Harbor, General in Chief US Grant sent generals Winfred Hancock, Horatio Wright and William Smith and their respective corps in the initial assault against the Confederate fortifications at Cold Harbor.
Numerous building were hit during the attack. Most of the buildings that were intentionally attacked by the Japanese were aircraft hangers, barracks & headquarters buildings. However the primary target of the attacks were ships at Pearl Harbor & aircraft (on runways, taxiways & in hangers) at the various Army, Navy and Marine Corps airfields on Oahu Island.
See website: Pearl Harbor Attack See website: US Military Ranks (US Army, US Navy) The US Air Force did NOT exist during WW2. It was part of the US Army. The US Marine Corps is part of the US Navy. However, it's (officer) rank structure is the same as the US Army's.
A total of 2,008 United States Navy personnel were killed in action. In addition, 109 United States Marine Corps personnel were also killed.
Lt. Annie G. Fox was the first woman to receive the Purple Heart for combat. She served in the Army Nurse Corps at Hickam Field during the Japanese attack on Pearl Harbor, on December 7, 1941. Fox later received the Bronze Star as well.
Headquarters Marine Corps
A.P. Hill
All of them: US Navy, US Marine Corps, US Army (including Army Air Forces), and probably US Coast Guard.
Personnel killed during the attack on Pearl Harbor are broken down as follows: Navy - 1998, Marine Corps - 109, Army - 233, Civilian - 48, Japanese - 64 Of the US total, 1177 were sailors and marines from the USS Arizona. (Some reference sources may have slight variations in these numbers)
navy, army, marines and army air corps........................................