Acceptable Quote by Anonymous
“Chemical propulsion is obsolete to go anywhere other than the moon. Three days - that's acceptable. But for Mars, we need propulsion technologies to get us there in, say, 60 days - then spend whatever length of time we want to spend and return when we want to come home.”
![“Weve got to go [back to the moon]. But we…” quote by Buzz Aldrin](https://sms4smile.com/quotes/img-quotes/076/buzz-aldrin-954_goal_weve-got-to-go-back-to-the-moon-but-we-d_201593.jpg)
