https://www.usa.gov/government-works https://www.rawpixel.com/image/440752 NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) was airborne for almost two hours during its first check…

NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) was airborne for almost two hours during its first check flight at Waco, Texas on April 26, 2007. Original from NASA . Digitally enhanced by rawpixel.

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