F/A-18 High Alpha Research VehicleFlow visualization smoke marks vortex flows along the leading edge extension on an F/A-18 flown by NASA's Dryden Flight Research Center, Edwards, Calif., in its High Alpha Research Vehicle (HARV) project.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/f-18-high-alpha-research-vehicle-14/Copy URL to clipboard> DownloadShareSize1041x814px