We're going back to Mars tomorrow with our @NASAPersevere rover!
Watch @JimBridenstine give a LIVE #CountdownToMars update from @NASAKennedy's countdown clock that has provided backdrops for many rocket launches. 🚀
🕛 Tune in at noon ET: https://t.co/mzKW5uV4hS pic.twitter.com/8FlJxKiPqL — NASA (@NASA) July 29, 2020