I didn't include the Soviet Mars landers because the most successful of the bunch only worked for 20 seconds on the Mars surface. They had better luck with Venu

I didn't include the Soviet Mars landers because the most successful of the bunch only worked for 20 seconds on the Mars surface. They had better luck with Venus. https://en.wikipedia.org/wiki/Mars_3#Entry,_descent,_landing,_and_transmission_failure https://en.wikipedia.org/wiki/Mars_3#Entry,_descent,_landing...