What is it?
send
What is it?
rocket
What is it?
vehicle
What is it?
mars
What is it?
launch
What is it?
Moon lander
What is it?
orbit
What is it?
propel
What is it?
NASA
What is it?
satellite
What is it?
earth
What is it?
space X
What is it?
reusable
What is it?
space shuttle
What is it?
moon