Documents on the history of Indian nuclear development, focusing on assistance from and intervention by the Soviet Union and the United States. See also Nuclear Proliferation, and the related collections in the Nuclear Proliferation International History Project. (Image: Agni-V Missile passes through the Rajpath during the full dress rehearsal for the Republic Day Parade-2013, in New Delhi on January 23, 2013. Ministry of Defence, Government of India under the ID 44846)