https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/441443Edit ImageSaveSaveEditCropCustom TextNACA photographer Northrop P-61A Black Widow towing P-51B to release altitude of 28,000 ft over Muroc Dry Lake, California for in flight validating of wind tunnel measurements of drag. Original from NASA. Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 905 px | 300 dpiLarge JPEG 2436 x 1838 px | 300 dpiTIFF 2436 x 1838 px | 300 dpi | 25.65 MBFree DownloadNACA photographer Northrop P-61A Black Widow towing P-51B to release altitude of 28,000 ft over Muroc Dry Lake, California for in flight validating of wind tunnel measurements of drag. Original from NASA. Digitally enhanced by rawpixel.More