August 9, 1945

August 9, 1945, is the date assigned to the bombing of Nagasaki in a military briefing that sets out a chronology of atomic weapons. The date also anchors the briefing’s contrast between the fission bomb used against Hiroshima and the plutonium implosion bomb used against Nagasaki.

The Date in the Briefing

A major adds August 9 to a list already headed by July 16, 1945, and August 6, 1945. He associates the first date with the earlier atomic test and August 6 with Hiroshima; August 9 marks the bomb that destroyed Nagasaki. Presented as successive chalkboard entries, the dates turn the passage into a compact chronology of the weapon’s development and use.

The Bombing and Its Technical Context

The briefing distinguishes the Hiroshima weapon, described as a fission bomb using the same principle as the earlier “thin man” bomb, from the “fat boy” used at Nagasaki. The latter is described as plutonium with a hollow centre, made to implode so that the material collapses inward and forms a critical mass. The account therefore connects August 9 not only with a place and an attack, but with a specific design explanation offered to the assembled listeners.

Narrative Perspective

The Unnamed narrator receives the date as part of an instructional display rather than as a separate remembered scene. The board’s precise dates sit alongside explicit uncertainty elsewhere in the same chronology: the major gives August 28 or 29, 1949, for the Soviet explosion, admitting that its exact date is not known. The Unnamed narrator privately thinks Ross might know it and feels vicarious pride. Against that uncertainty, August 9 is stated without qualification, fixing the Nagasaki bombing firmly within the briefing’s sequence.