Alan Shepard
The Apollo Program
As each Apollo spacecraft had three astronauts at a time and seven Apollo crafts flew to the moon, there were a total of 21 astronauts.
Project Gemini and Project Apollo had astronauts practice piloting and working in space.
The space program was Project Apollo, or the Apollo Program.
Project Gimini
The original astronauts of Apollo 13 were Jim Lovell, Fred Haise, and Jack Swigert. However, Swigert was a late substitution for the original Command Module Pilot, Ken Mattingly, due to concerns over a potential measles exposure.
The question is not clear, there were three astronauts at a time in a Apollo mission , and there were 11 Apollo missions.
The astronauts entered the Apollo spacecraft by a hatch.
The Apollo program initiated by NASA in the 1960s was the project that aimed to land American astronauts on the moon and bring them safely back to Earth. The first successful manned mission to achieve this goal was Apollo 11 in 1969, which famously landed astronauts Neil Armstrong and Buzz Aldrin on the lunar surface.
The project that landed the first man on the moon was the Apollo program. Apollo 11, in particular, achieved this milestone with astronauts Neil Armstrong and Buzz Aldrin walking on the lunar surface in July 1969.
The Saturn V (Saturn five) rocket was used to launch the astronauts into space.The project was named the Apollo missions.Neil Armstrong was on Apollo 11 which was the first mission to actually land on the Moon.
The NASA project that landed an American on the moon was the Apollo program. The Apollo 11 mission successfully landed astronauts Neil Armstrong and Buzz Aldrin on the lunar surface on July 20, 1969.