RETF ALTITUDE TEST STAND AT S 40Test Stand B at the Rocket Engine Test Facility (RETF) (1987).Image Credit: NASA/BILL WYNNE Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/grc-1987-c-08294/Copy URL to clipboard> DownloadShareImage CreditNASA/BILL WYNNESize3000x2415px
