NASA Armstrong 2016 AchievementsThe Stratospheric Observatory for Infrared for Astronomy (SOFIA; right) and the Pratt and Whitney Canada 747SP testbed sit nose-to-nose at NASA AFRC’s Building 703 in Palmdale, California.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/nasa-armstrong-2016-achievements-33/Copy URL to clipboard> DownloadShareSize1041x694px