Danube Program
secret Romanian military project to develop nuclear weapons in the 1980s
The Danube Program (Romanian: Programul Dunărea) was a secret Romanian project to develop their own nuclear weapons. The project began in 1978, and lasted until 1989.
History
In 1970 the Socialist Republic of Romania ratified the Nuclear Non-Proliferation Treaty, which banned them from developing and building their own nuclear weapons. However, from 1978 until 1989, Romania had a nuclear weapons program, including plutonium extraction facilities. The program started concomitantly with the project for the first nuclear power plant of Romania. It was carried out in secrecy at the Atomic Physics Institute from Măgurele, where a VVR-S-60 research reactor had been built between the years 1955 and 1957 by a joint Romanian-Soviet team. From 1980, the reactor used S-36 type highly enriched nuclear fuel.
In 1992, after the Romanian Revolution, the new government reported the infraction to the International Atomic Energy Agency voluntarily, who then reported it to the UN Security Council. The Măgurele reactor was shut down in 1997 and closed in 2002, with the used enriched uranium returned to Russia in 2009 and 2012.
Materials
Romania acquired Highly Enriched Uranium (HEU) from United States of America's Atoms for Peace program, which gave highly enriched uranium to many countries.
The public source identifies “Danube Program” as secret Romanian military project to develop nuclear weapons in the 1980s. This brief keeps that definition visible, then builds a research path around Danube, Program and secret.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jun 5, 2026. The linked authority identifier is Q30686720. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1978, 1989, 1970 and 1955.
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This entry incorporates text from “Danube Program” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.