David B. McKinley @RepMcKinley
We always persevere. #countdowntomars 🇺🇸🚀 — PolitiTweet.org
NASA @NASA
Our next Mars rover has a name – @NASAPersevere. The time at hand is hard. We have already surmounted many obstacl… https://t.co/r8BA0uDFtN