Within three short hours Pearl Harbour was in flames and America was at war. As it Happened takes a look into the events that unfolded in Pearl Harbour, 1941. Aerial reconnaissance photographs have been used to reconstruct Pearl Harbour to create an unprecedented vantage point on the most infamous attack of World War II. The extraordinary images, authentic video footage and first hand accounts, allow us to rebuild the anatomy of the attack that launched America on the road to war.