PBS's documentary, "The Codebreaker" about Elizebeth Friedman was excellent
[{embed}]https://www.youtube.com/watch?v=VzzAnvsIOnc\[{/embed}]
I highly recommend you take an hour and watch it.
2/9/2021 7:28 pm | 
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UAE, China, and the US will arrive at Mars this month
A small fleet of spacecraft from the United Arab Emirates, China, and the United States will reach Mars this month after launching from Earth last year. The march to the Red Planet marks a marathon of firsts: it's the UAE's first foray into deep space, China's first independent attempt to land on Mars, and NASA's first shot at deploying a Martian helicopter.