One of the aircrafts,Bockscar, was carrying the plutonium bomb,Fat Man.
They were headed for the ancient castle town of Kokura.
When the planes arrived at Kokura, they found the city obscured by clouds and smoke.
The resulting fires engulfed both Yahata and Kokura with a thick cloud of smoke.
The neighbourhood of Urakami Church.
Photo: Shigeo Hayashi/ Nagasaki Atomic Bomb Museum
Nagasaki was also covered by dense cloud.
Within seconds,Bockscarwas relieved of its dreadful load.
An area of radius 1 mile was totally levelled.
6,200 workers out of 7,500 who were inside the Mitsubishi Munitions plant were killed.
The Cathedral collapsed and all those who were inside were killed instantly.
Nagasaki before the bombing.
Nagasaki about a month after the atomic bombing.
Close by is the Nagasaki Peace Park, where part of the cathedrals concrete wall can be seen.
The hypocenter is marked by a monolith erected in 1968.
The collapsed dome of Urakami Church.
Photo: Peterson H.J/ Nagasaki Atomic Bomb Museum
The neighbourhood of Urakami Church.
Photo: Peterson H.J/ Nagasaki Atomic Bomb Museum
The new Urakami Cathedral.
