"Events leading Up To The Epochal Blast - Last-minute preparations for the atom bomb test at Bikini Atoll! See the planes, the ships and the men who took part in Operation Crossroads! The famed B-29, 'Dave's Dream,' takes off from Kwajalein as the entire world waits to hear that three ships were sunk and many others damaged as the fourth atom bomb in history was exploded. The results have as yet not been completely evaluated." scenes of ships positioned around lagoon, air crews briefed, Superfortresses on Kwajalein are specially marked, Dave's Dream plane ready to drop atomic bomb on Bikini atoll. (partial newsreel)