Editing Apollo program (section)

====Extended missions====
[[File:Apollo 15 Lunar Rover and Irwin.jpg|thumb|[[Lunar Roving Vehicle]] used on Apollos 15–17]]

Apollo 15 was launched on July 26, 1971, with [[David Scott]], [[Alfred Worden]] and [[James Irwin]]. Scott and Irwin landed on July 30 near [[Mons Hadley|Hadley Rille]], and spent just under two days, 19 hours on the surface. In over 18 hours of EVA, they collected about {{convert|77|kg|lb}} of lunar material.<ref>{{cite web |url=https://www.nasa.gov/mission_pages/apollo/missions/apollo15.html |title=Apollo 15 |date=July 8, 2009 |website=NASA |access-date=June 9, 2016}}</ref>

Apollo 16 landed in the [[Descartes Highlands]] on April 20, 1972. The crew was commanded by John Young, with [[Ken Mattingly]] and [[Charles Duke]]. Young and Duke spent just under three days on the surface, with a total of over 20 hours EVA.<ref>{{cite web |url=https://www.nasa.gov/mission_pages/apollo/missions/apollo16.html |title=Apollo 16 |website=NASA |date=July 8, 2009 |access-date=June 9, 2016}}</ref>

Apollo 17 was the last of the Apollo program, landing in the [[Taurus–Littrow]] region in December 1972. Eugene Cernan commanded [[Ronald Evans (astronaut)|Ronald E. Evans]] and NASA's first scientist-astronaut, geologist [[Harrison Schmitt|Harrison H. Schmitt]].<ref name=apollo17>{{cite web |url=http://www.nasa.gov/mission_pages/apollo/missions/apollo17.html |title=Apollo 17 |website=NASA |date=July 30, 2015 |access-date=June 9, 2016}}</ref> Schmitt was originally scheduled for Apollo 18,<ref>{{cite web |url=http://www.nasa.gov/centers/kennedy/about/history/Apollo_18.html |title=Apollo 18' Myths Debunked, NASA-style |website=NASA |date=September 28, 2011 |access-date=June 10, 2016 |last1=Grinter |first1=Kay}}</ref> but the lunar geological community lobbied for his inclusion on the final lunar landing.<ref>{{cite web |url=http://www.space.com/20789-harrison-schmitt-astronaut-biography.html |title=Harrison Schmitt: Geologist on the Moon |date=April 23, 2013 |access-date=June 10, 2016 |last1=Howell |first1=Elizabeth |website=Space.com}}</ref> Cernan and Schmitt stayed on the surface for just over three days and spent just over 23 hours of total EVA.<ref name="apollo17" />