2018年3月29日 星期四

NASA to Host News Conference Announcing New Supersonic Test Aircraft

NASA will host a news conference at 11 a.m. EDT Tuesday, April 3, to announce the agency's plans for its next experimental aircraft, or X-plane, called the Low-Boom Flight Demonstrator (LBFD).

March 29, 2018
from NASA https://go.nasa.gov/2Gz4Th1
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