Big Stink was the name of a Boeing B-29-40-MO Superfortress bomber (Victor number 90) that participated in the atomic bomb attack on Nagasaki, Japan on August 9, 1945. Assigned to the 393d Bomb Squadron, 509th Composite Group, it was used as a camera plane in support of the bomb-carrying Bockscar, to photograph the explosion and effects of the bomb, and also to carry scientific observers. The mission was flown by crew C-14 but with Group Operations Officer Major James I. Hopkins, Jr., as the aircraft commander.