2016年2月29日 星期一

NASA Begins Work to Build a Quieter Supersonic Passenger Jet

The return of supersonic passenger air travel is one step closer to reality with NASA's award of a contract for the preliminary design of a “low boom” flight demonstration aircraft. This is the first in a series of ‘X-planes’ in NASA's New Aviation Horizons initiative, introduced in the agency’s Fiscal Year 2017 budget.

February 29, 2016
from NASA http://ift.tt/24xjIEr
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