ISBN: | 978-5-5126-5166-7 |
High Quality Content by WIKIPEDIA articles! The McDonald Ranch House was the location of assembly for the first tested nuclear weapon. The test occurred on July 16, 1945; a plutonium bomb was tested, the type of weapon later dropped on Nagasaki, Japan. The weapon used against Hiroshima was a uranium bomb, a type not tested prior to its use in World War II, because it had a simpler design.