Three US tests were performed in the open ocean away from all islands: Wigwam, Swordfish and Frigate Bird.ġ6☀4′21″N 169☃6′36″W / 16.07239°N 169.60997°W / 16.07239 -169.60997 ( Johnston Atoll)Ī small, isolated atoll closest to Hawaii (500 km), Johnston Island served the US testing efforts as an airbase for Operation Dominic and as a rocket base for Operation Hardtack II and Operation Fishbowl.ġ☃5′N 157☁9′W / 1.59°N 157.32°W / 1.59 -157.32 ( Kiritimati, Kiribati)įormerly known as Christmas Island (the Pacific one, not the one in the Indian Ocean) Kiritimati was used as an air base for bombers dropping nuclear tests mostly south of the island. The second atoll used for nuclear testing by the US.

Its use ended with the Partial Nuclear Test Ban Treaty, which forbade atmospheric testing.ġ1☃3′N 162☁9′E / 11.55°N 162.31☎ / 11.55 162.31 ( Enewetak Atoll)

Hillier than Hiroshima, the 33% increase in yield from Little Boy resulted in slightly fewer casualties.ġ2☃7′01″N 167☀1′30″E / 12.617°N 167.025☎ / 12.617 167.025 ( Pacific Proving Grounds)Ī nuclear testing area in the Pacific Ocean.ġ1☃5′27″N 165☃0′20″E / 11.59084°N 165.50546☎ / 11.59084 165.50546 ( Bikini Atoll)Īn atoll in the Marshall Islands, Bikini's lagoon was chosen as the site for the first nuclear test area after WWII. About 40,000 died immediately, and officially 73,884 died altogether. The second target of nuclear weapons, Nagasaki was a city of 240,000 swelled to 263,000 on the day of the strike, chosen when the primary target, Kokura, was found clouded over. The target was the Aioi Bridge across the Ōta River it exploded several hundred yards off. The first target of nuclear weapons, the Mark I atomic bomb. By the time of the atomic blasts, it was centered on the Japanese home islands and included the Pacific Ocean out to Tinian.ģ4☂3′40″N 132☂7′20″E / 34.39438°N 132.45547☎ / 34.39438 132.45547 ( Hiroshima, Japan) The Trinity nuclear site was originally private property taken over by the Army to test the plutonium implosion weapon, the first nuclear explosion on Earth.ģ4☂3′40″N 132☂7′20″E / 34.39438°N 132.45547☎ / 34.39438 132.45547 ( World War II Combat Zone) An area near the Trinity site is designated the Permanent High Explosive Test Site (PHETS) and was used in the 1980s to host very large ANFO blasts for international testing of military gear.ģ3☄0′38″N 106☂8′32″W / 33.67717°N 106.47569°W / 33.67717 -106.47569 ( Trinity Site) Nuclear combat, test, launch and PNE sitesģ3☄0′38″N 106☂8′32″W / 33.67717°N 106.47569°W / 33.67717 -106.47569 ( White Sands Missile Range, New Mexico)Ī bombing range and more lately a missile range centered in the south near Las Cruces, an area in the north part of the range was acquired during World War II and used for the Trinity test.

Atomic cowboy