Why is it so hard to return to the moon?

Why is it so hard to return to the moon?

If we went to the Moon already, why can’t we go back so easily? What technology have we lost? What are we trying to do differently? I discuss these questions and more in today’s Ask a Spaceman! Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Credit to : Dr. Paul M. Sutter