Just after 11pm Honolulu time, Starfish Prime detonated 400km above Johnston Island. The thermonuclear explosion had a yield of 1.45 megatons. This is 1,000 times more powerful than the bomb ...

I was a high school student in Honolulu, and while few in Hawaii knew what ... I’ve since learned that the explosion that I witnessed was called Starfish Prime and was the largest high-altitude ...