
NASA @NASA
A #PresidentsDay look into the history of Mars exploration: in July 1965, @NASAJPL's director presents President Johnson with photos from Mariner 4, the first spacecraft to successfully fly by the Red Planet. More presidential images from @NASAHistory: https://t.co/KJHgVrTohR https://t.co/7DWqTfZ1xb — PolitiTweet.org