NASA F-15B #836 in flight with Quiet Spike attached, September 27th, 2006. Original from NASA. Digitally enhanced by… https://www.rawpixel.com/image/440715/air-force-aircraftFree Image from public domain licenseNASA's F-15B testbed aircraft in flight. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440040/free-photo-image-military-usa-aircraftFree Image from public domain licenseAn eight-foot-long pod designed to carry a synthetic aperture radar hangs from the underbelly of NASA's Gulfstream-III… https://www.rawpixel.com/image/440728/free-photo-image-plane-military-vehicles-air-podsFree Image from public domain licenseNASA Dryden Flight Research Center's F-18B Systems Research Aircraft on an External Vision System project flight, October… https://www.rawpixel.com/image/440703/free-photo-image-aerospace-plane-fighter-armyFree Image from public domain licenseNASA's F-15B testbed aircraft in flight during the first evaluation flight of the joint NASA/Gulfstream Quiet Spike project.… https://www.rawpixel.com/image/440713/free-photo-image-nasa-air-force-aircraftFree Image from public domain licenseNASA F-15B #836 landing with Quiet Spike attached. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440755/free-photo-image-air-force-aircraft-carrierFree Image from public domain licenseNASA Dryden Flight Research Center's F-18B Systems Research Aircraft on an External Vision System project flight, October… https://www.rawpixel.com/image/440738/free-photo-image-army-ship-aerospaceFree Image from public domain licenseNASA F-15B #836 in flight with Quiet Spike attached, September 27th, 2006. Original from NASA. Digitally enhanced by… https://www.rawpixel.com/image/440721/free-photo-image-soldier-air-force-aircraftFree Image from public domain license