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Segments of the shroud that will protect Pioneer Venus-A as it moves through the atmosphere following launch on a flight to Venus are moved into position to encapsulate the spacecraft. Pioneer Venus-A is scheduled for launch from Complex 36, Cape Canaveral, on May 20. Liftoff is scheduled during a opportunity extending from 9:13 to 9:28 a.m. Eastern Daylight Time. Pioneer Venus-A, to be renamed Pioneer Venus-1 after launch, will be placed in orbit around Venus on December 4. A second Pioneer Venus, a multi-probe spacecraft, is scheduled for launch August 4. The two scientific spacecraft are designed to sample Venusian weather patterns and hopefully provide answers for scientist to some of the unknown factors of the Venus atmosphere.