![An astronaut trains for a prospective moon landing in a Lunar Landing Research Vehicle (LLRV) at the NASA Flight Research Center in 1967.](https://www.historynet.com/wp-content/uploads/2019/04/Bedstead-e1661195520975.jpg)
An astronaut trains for a prospective moon landing in a Lunar Landing Research Vehicle (LLRV) at the NASA Flight Research Center in 1967. (NASA)
NASA
An astronaut trains for a prospective moon landing in a Lunar Landing Research Vehicle (LLRV) at the NASA Flight Research Center in 1967. (NASA)
NASA