Test firing of a Space Shuttle Main EngineA cloud of extremely hot steam boils out of the flame deflector at the A-1 test stand during a test firing of a Space Shuttle Main Engine in 1988.Image Credit: NASA SSC Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/88-072-11/Copy URL to clipboard> DownloadShareTagsWebMod GrandfatheredImage CreditNASA SSCSize2560x2048px