Johnston Atoll
Videos
Johnston Atoll is an unincorporated territory of the United States, under the jurisdiction of the United States Air Force. The island is closed to public entry, and limited access for management needs
Johnston Atoll is located between the Marshall Islands and the Hawaiian Islands.
Butterflyfish swim in Johnston Atoll corals
Juvenile Red-footed booby seabird on Johnston Island, 2012
Great frigatebirds on Johnston
Operation Fishbowl
Videos
Operation Fishbowl was a series of high-altitude nuclear tests in 1962 that were carried out by the United States as a part of the larger Operation Dominic nuclear test program.
Array of sounding rockets with instruments for making scientific measurements of high-altitude nuclear tests during liftoff preparations on Johnston Island.
The PGM-17 Thor missile shown here is very similar to the Thor missile used for the launch of the nuclear warhead in all attempts of the Bluegill, Starfish and Kingfish nuclear tests of Operation Fishbowl.
Starfish Prime from Hawaii
Starfish Prime phenomena: toroidal cloud