<Li> 35 A6Ms for defense and strafing (1 aborted) </Li> <P> The second wave was divided into three groups . One was tasked to attack Kāne ʻohe, the rest Pearl Harbor proper . The separate sections arrived at the attack point almost simultaneously from several directions . </P> <P> Ninety minutes after it began, the attack was over . Two thousand and eight sailors were killed, and 710 others wounded; 218 soldiers and airmen (who were part of the Army until the independent U.S. Air Force was formed in 1947) were killed and 364 wounded; 109 marines were killed and 69 wounded; and 68 civilians were killed and 35 wounded . In total, 2,403 Americans died and 1,178 were wounded . Eighteen ships were sunk or run aground, including five battleships . All of the Americans killed or wounded during the attack were non-combatants, given the fact there was no state of war when the attack occurred . </P> <P> Of the American fatalities, nearly half were due to the explosion of Arizona's forward magazine after it was hit by a modified 16 - inch (410 mm) shell . </P>

How long did the bombing of pearl harbor last