A Campaign BeginsOperators conduct an initial hot fire test of a next-generation J-2X engine on the A-2 Test Stand at Stennis Space Center on July 26, 2011. Testing of J-2X engines represented the third major test campaign conducted on the stand. Image Credit: NASA / Stennis Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/ssc-2011-01366h/Copy URL to clipboard> DownloadShareImage CreditNASA / StennisSize2099x1418px