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National Museum of Nuclear Science & History


This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.

Attack on Pearl Harbor – 1941

The Japanese attack on Pearl Harbor brought the US into World War II.

Bataan Death March

On April 9, 1942, the American troops on the Bataan Peninsula of the Philippines surrendered to the Japanese. The captured men were then subjected to the torturous Bataan Death March.

Japanese Balloon Bombs “Fu-Go”

On November 3, 1944, Japan released fusen bakudan, or balloon bombs, into the Pacific jet stream. Japan’s latest weapon, the balloon bombs were intended to cause damage and spread panic in the continental United States.

Japanese Mass Suicides

The War of the Pacific against Imperial Japan was marked by episodes of mass suicides by Japanese soldiers and civilians, notably in Saipan and Okinawa.

Potsdam: The Crossroads of Atomic Science and International Diplomacy

The Potsdam Conference was attended by representatives of the United States, the United Kingdom, and the Soviet Union in July 1945.

Remembering Franklin Delano Roosevelt

Manhattan Project veterans remember the death of President Franklin Delano Roosevelt.

The Incarceration of Japanese-Americans during World War II

In the aftermath of the attack on Pearl Harbor, President Roosevelt ordered the “evacuation” of Japanese Americans to relocation and internment camps under Executive Order 9066.

Unit 731

Unit 731, located in Harbin, China, was a secret Japanese project that carried out human medical experiments during the 1930s and 1940s.

World War II and New Mexico

World War II was a formative period in the history of New Mexico.