Where Are They Now: D-558-II #1The Douglas D-558-II "Skyrockets" were among the early transonic research airplanes like the X-1, X-4, X-5, and X-92A.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/where-are-they-now-d-558-ii-1/Copy URL to clipboard> DownloadShareTagsAeronauticsSize1041x833px
