Mosaic G1

First British test using fusion fuel (as a physics experiment, not a weapon test). Fusion yield was negligible. Based on the results of this test it was decided that the G2 test could be safetly conducted using a natural uranium tamper instead of a lead tamper.

Yield: 15-20 Kilotons
Location: Monte Bello Islands, Australia
Date: May 16, 1956

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