48 Years Ago Today, Neil Armstrong and Buzz Aldrin Walked on the Moon... ?

America landed men on the Moon on July 20, 1969.  Have we lost the ability to go back?  Surely if there is no conspiracy (as I suggested in a previous article HERE) there must be some merits in having a low gravity base on the Moon... I guess 1960s technology was just further ahead of what we have today. Or...