One of the four moonwalkers still alive from the Apollo program, Charlie Duke, says he is still "excited" about space and U.S. efforts to push the boundaries of space exploration.
50 years on, Apollo 16 moonwalker still excited by space gulfnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from gulfnews.com Daily Mail and Mail on Sunday newspapers.