NASA @NASA
Tomorrow, we're bringing the 🔥 by testing one of the four RS-25 engines that will power our @NASA_SLS 🚀rocket! But first, what is an RS-25? Discover how it will launch @NASA_Astronauts on missions of deep space exploration: https://t.co/pwcVmcBQp2 https://t.co/MVQEQOwg4p — PolitiTweet.org