STS-41G Challenger payload bayContents of the STS-41G orbiter Challenger's payload bay. Part of the Earth Radiation Budget Satellite (ERBS) and the Shuttle Imaging Radar-B (SIR-B) are visible in the frame. Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/41g-32-004/Copy URL to clipboard> DownloadShareSize5260x5260px