At 6:00am, six Japanese carriers sent the first flight of 181 planes composed of torpedo bombers, dive bombers, horizontal bombers, and fighters to Oahu, Hawaii's Pearl Harbor. After they hit shortly prior to 8:00am and finished roughly two hours later, 21 American fleet ships and been either sunken or damaged. 188 aircrafts were destroyed and another 159 were damaged. 2,403 Americans died. This led to America joining the Allied war effort against Japan and the other Axis Powers in World War II.