Starfish Prime
{'<entity_0>': 'Starfish Prime', '<entity_1>': 'United States of America', '<entity_2>': '09 July 1962'}
[['Starfish Prime', 'operator', 'United States of America'], ['Starfish Prime', 'point in time', '09 July 1962'], ['Starfish Prime', 'start time', '09 July 1962'], ['Starfish Prime', 'end time', '09 July 1962']]
<entity_0> was a high-altitude nuclear test conducted by the <entity_1>, a joint effort of the Atomic Energy Commission (AEC) and the Defense Atomic Support Agency. On <entity_2>, at 09:00:09 Coordinated Universal Time (11:00:09 p.m. on July 8, 1962, Honolulu time), the <entity_0> test was detonated at an altitude of 250 miles (400 km). A large number of <entity_1> military ships and aircraft were operating in support of <entity_0> in the Johnston Atoll area and across the nearby North Pacific region.
['nuclear weapons test']