An unholy radiance that outshines 500 suns blazes over the Pacific as America's first h-bomb is detonated 15,000 feet over the sea, after being dropped from a b-52 jet bomber. The full story of the vast scientific armada that set off the h-bomb is shown, from earliest phases to the comprehensive observations made of the epochal blast. Establishing shot - Aerial shot of Bikini Island in the South Pacific. MS - Military personal operating a radar disk. Air to air - The plane that will deploy the H-Bomb. Air to sea - Military ship. CUS - Sailors pushing over a device that looks like a small sail boat. MCUS - Trace rockets pointed to the sky. MCUS - Admiral B Hall Hen Lund. CUS The Airforce men that will carry out the mission on the B-52.. MCUS - Military men putting down instruments to measure heat and radiation. CUS - Some of the controls used in H-Bomb testing. Aerial shot - Bomb drop site, looks like a big bulls eye. Inside cockpit of a weather plane. Aerial shot - The big mushroom cloud of the H-Bomb. MLS - Sky darkens and the mushroom cloud is glowing.