Alan Bean Alan Bean Alan LaVern Bean (March 15, 1932 – May 26, 2018) was an American naval officer and naval aviator, aeronautical engineer, test pilot, and NASA astronaut; he was the fourth person to walk on the Moon. He was selected to become an astronaut by NASA in 1963 as part of Astronaut Group 3. He made his first flight into space aboard Apollo 12, the second manned mission to land on the Moon, at age 37 in November 1969. He made his second and final flight into space on the Skylab 3 mission in 1973, the second manned mission to
Hervé Stevenin Environment Mission Operations (NEEMO 16). In September 2013, Stevenin and ESA astronaut Jean-François Clervoy slipped into the roles of Neil Armstrong and Buzz Aldrin for an underwater simulation test of Apollo 11 moonwalk tasks, organised by the Compagnie maritime d'expertises (COMEX) off the coast of Marseilles, France. They tested a COMEX-designed prototype training-spacesuit based on the Orlan adapted to simulate Moon gravity. Stevenin became an aquanaut through his participation in the NASA NEEMO 19 mission simulating undersea a space exploration mission aboard Aquarius, the world only undersea research laboratory with crewmates NASA astronaut Randy Bresnik, ESA astronaut Andreas Mogensen and