Fat Man
Design:
Design of the "Fat Man" plutonium bomb
Delivery:
Fat Man was delivered by the B-29 Superfortress Bockscar piloted by Charles Sweeney. The primary target was the town of Kokura which was concealed by clouds so they headed to the second target Nagasaki. Fat Man was dropped on August 9, 1945 at precisely 11:02 PM on the city's industrial valley. It exploded 469 meters above the ground.