The death of Alan Bean, the fourth man ever to set foot on the moon, means that the small club of living lunar-runners is now reduced to four.
Only 12 men have ever entered the moon In the past 18 months, three of these 12 have died, including Bean (Apollo 12), John Young (Apollo 16) from Orlando in January and the last man on the moon, Eugene Cernan ( Apollo 17) in January 2017.
Other Previously, the first man on the moon were Neil Armstrong (Apollo 11) in 2012, as well as Pete Conrad (Apollo 12) in 1999, Alan Sheppard (Apollo 14) in 1998, Edgar Mitchell (Apollo 14) in 2016 and Jim Irwin (Apollo 15) in 1991.
This leaves Armstrong's Apollo 1 1 Crewmember and Space Superstar 88-year-old Buzz Aldrin is still alive, but no and from the first three missions to actually land on the moon. The remaining living moonwalkers include Aldrin, 85-year-old David Scott (Apollo 15), 82-year-old Charlie Duke (Apollo 16) and 82-year-old Harrison Schmitt (Apollo 17).
Of the men who flew to the Moon but did not land, Bean's command module pilot Richard "Dick" Gordon also passed away in November 2017. Other flown commando module pilots are 1994 Stuart Roosa (Apollo 14) and Ronald Evans (Apollo 17) in 1990.
Apollo 11s Command Module pilot Michael Collins is still alive, as are two out of three members of the unfortunate Apollo 13 mission: the 90-year-old commander Jim Lovell and 84-year-old would-be moon landing pilot Fred Haise Jr. pilot Jack Swigert of Apollo 13 died at the age of 51 in 1982. Also alive are the 86-year-old Alfred Worden (Apollo 15) as well as the 82-year-old Ken Mattingly (Apollo 16), who should be in the command module for Apollo 13, but was replaced by Swigert.
Also alive is the 87-year-old Thomas Stafford, who was in May 1969 commander of Apollo 10, who flew to the moon with Cernan and Young, but did not land on the moon. And all three crew members of Apollo 8, who was the first mission on the Moon but did not land, are still alive: Lovell, 90-year-old Frank Boorman, and 84-year-old William Anders.  All in all, only four out of twelve moon-runners are with us, and of the 24 men, including moon-runners, who have flown to the moon, only 12 are left. Cernan was the last man on the moon to leave on December 14, 1972.
NASA has plans to send a manned mission around the moon with exploration mission 2 of 2023, but no date to return to the lunar surface
If NASA returns a human to the moon by 2025, the youngest of them will Moonwalker 90 years old this year.
Prior to his death, Cernan wrote the following optimistic message regarding a return to the moon:  "We have again reached a challenge in human history: The Moon, Mars, and beyond – they call … Now it is at the time that America proudly recognizes our nation's exceptional position, regains our guidance in space, and leads the free world to the next great leap for humanity. "
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