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History | Atomic Heritage Foundation Skip to main content Menu AboutAdvisors and Directors Projects FAQs Jobs HistoryProject Sites Timeline Key Documents Lesson Plans Tours Profiles News Atomic Heritage Foundation In partnership with the National Museum of Nuclear Science & History Donate Search form Search Join Today as an Atomic History Patron Member History History This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more. Subject - Any -Bombings of Hiroshima and NagasakiCold War HistoryEspionageHealth IssuesInternational Nuclear ProgramsLos Alamos InnovationsManhattan Project HistoryManhattan Project LegacyNuclear Issues TodayRace for the BombScienceThe Trinity TestWomen & Minority CommunitiesWorld War II History Search Terms 100-ton TNT Shot Before the Trinity test, Manhattan Project officials realized that a calibration explosion using ordinary high-explosives would be useful. 216th Army Air Forces Base Unit The 216th AAF served a crucial role in the Manhattan Project by helping to design and drop test bombs at Wendover Airfield, Utah. 509th Composite Group The 509th Composite Group was organized as the weapon delivery arm of the Manhattan Project. African Americans and the Manhattan Project African Americans played an important, though often overlooked, role on the Manhattan Project. Alsos Mission The Alsos Mission's goal was to learn how close Germany was to developing its own atomic weapon. Atomic Accidents Although the Manhattan Project was overall a surprisingly safe project, there were a few tragic accidents. Atomic Age Design The development of nuclear weapons had a notable impact on many aspects of American culture, including design. Spanning the late 1940s through about 1960, Atomic Age design is characterized by references and responses to nuclear science and the atomic bomb. Atomic Culture Since the bombings of Hiroshima and Nagasaki, people in the United States and around the world have developed cultural expressions of the atomic bomb. Atomic Energy Commission The Atomic Energy Commission succeeded the Manhattan Engineer District in January 1947, when the Atomic Energy Act went into effect. Pages123456789…next ›last » Hear the stories of the Manhattan Project Browse our collection of oral histories with workers, families, service members, and more about their experiences in the Manhattan Project. Tour the Sites of the Manhattan Project Tour some of the key locations of the Manhattan Project with an audio guide. Read recent news & articles 5th Anniversary of the Manhattan Project National Historical Park Join Today as an Atomic History Patron Member Main menu AboutAdvisors and Directors Projects FAQs Jobs HistoryProject Sites Timeline Key Documents Lesson Plans Tours Profiles News Atomic Heritage Foundation Donate Search form Search [email protected]          Contact UsCopyright © 2019 by the Atomic Heritage Foundation. All rights reserved.