News Listings for Northrop X-21

  • NASA revives X-plane hopes with environmental goals

    News | 22 Nov 2010 00:00 | Stephen Trimble

    Can NASA meet a challenging list of environmental goals? The agency's aeronautics branch could achieve its aims with full-scale testbeds - if it can obtain funding ...http://www.flightglobal.com/news/articles/NASA-revives-X-plane-hopes-with-environmental-goals-349977/