US Airplane Research and Development goals
Ad Support : Nano Technology Netbook Technology News Computer Software The US National Aeronautics Research and Development Plan, Feb 2010 Biennial update • “N” refers to the current generation of tube-and-wing aircraft. • “N+1” represents the next generation of tube-and-wing aircraft. • “N+2” refers to advanced aircraft in the generation after N+1, which are likely to …