NASA @NASA
What we do at @NASAAero: Testing the latest aircraft engine technologies through takeoff, approach and landing. Engines have gotten quieter, so we've improved acoustics at this @NASAGlenn wind tunnel to bring it back to world-class level. Take a tour: https://t.co/yWdIzKnWVB https://t.co/Yx9gDBMHts — PolitiTweet.org