2018年4月3日 星期二

NASA Awards Contract to Build Quieter Supersonic Aircraft

NASA has taken another step toward re-introducing supersonic flight with the award Tuesday of a contract for the design, building and testing of a supersonic aircraft that reduces a sonic boom to a gentle thump.

April 03, 2018
from NASA https://ift.tt/2Gu3uZH
via IFTTT

沒有留言:

張貼留言