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The Organization of Defensive Innovation and Research (ODIR) was an Iranian defense agency established and led by Mohsen Fakhrizadeh in the early 2010s. The ODIR was responsible for developing and testing new weapons and technologies for the Iranian military. In 2018, the ODIR was accused by the United States of developing nuclear weapons. Fakhrizadeh was assassinated in 2020, and the future of the ODIR is uncertain.