X-15 with B-52 Fly-ByAs crew members secure the X-15 rocket-powered aircraft after a research flight, the B-52 mothership used for launching this unique aircraft does a low fly-by overhead.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/x-15-with-b-52-fly-by-2/Copy URL to clipboard> DownloadShareSize1041x895px