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Saturn 1B AS-203 S-IVB Hydrogen Tank Interior

Cameras were used inside tanks to determine the in-flight characteristics of propellants. On AS-203, this camera was used to study the behavior of the liquid hydrogen inside the S-IVB stage in orbit. During a lunar mission, the S-IVB would be in orbital coast until it restarted to send the spacecraft to the Moon. The data from this flight built confidence that when required to restart for the lunar trajectory the stage would be ready to go. From our extensive collection of material on the Saturn 1 and Saturn 1B, contained on 3 DVDs and available at www.spacecraftfilms.com