STS-56
STS-56 was a NASA Space Shuttle Discovery mission to perform special experiments.The primary payload of the flight was the Atmospheric Laboratory for Applications and Science-2 (ATLAS-2),[5]: 1 designed to collect data on the relationship between the Sun's energy output and Earth's middle atmosphere and how these factors affect the ozone layer.[3] On April 11, 1993, the crew used the remote manipulator arm (Canadarm) to deploy the Shuttle Point Autonomous Research Tool for Astronomy-201 (SPARTAN-201), a free-flying science instrument platform designed to study velocity and acceleration of the solar wind and observe the Sun's corona.[7] It was arguably the first time that the astronauts received amateur television video from the ham radio club station (W5RRR) at JSC.the Hand-held, Earth-oriented, Real-time, Cooperative, User-friendly, Location-targeting and Environmental System (HERCULES), Radiation Monitoring Equipment (RME III), and an Air Force Maui Optical Site (AMOS) calibration test.