Proteus.The high-altitude Proteus research aircraft from Scaled Composites, LLC, of Mojave, Calif., taxis toward takeoff in support of NASA Langley's involvement in the Intercontinental Chemical Transport Experiment - North America (INTEX-NA). The Proteus carries a Langley instrument payload to support the study. INTEX-NA is measuring pollution movement around the globe. Civil Aviation, Aviation Art, Military Jets, Military Aircraft, Airbus, Boeing, Avion Drone, Gif Sur Yvette, Jorge Martinez