NASA / Social Media / Space / Twitter #CountdownToMars NASA Social L-1 Wednesday July 29, 2020 July 29, 2020 #CountdownToMars NASA Social on L-1 Wednesday July 29, 2020 Further Reading... Ingenuity flew on Mars! April 19, 2021 All aboard for Mars! September 5, 2015 More coverage of the NASA Social Media event November 22, 2014 Previous Post #CountdownToMars NASA Social Next Post #CountdownToMars Launch Day - Thursday July 30, 2020
