Elugelab island in the Eniwetok atoll in the US Marshall islands, where the first hydrogen bomb (code name Mike) was detonated on 31 Oct 1952. A declassified document at http://worf.eh.doe.gov/data/ihp1d/126828e.pdf shows where island used to be.
Islands, Historical, Military - Damage, Scientific - Test Facility
Links: en.wikipedia.org
By: AlejoHausner