Apollo 11 Pasive Seismic Experiments Package, 1969.
© National Aeronautics & Space Administration / Science & Society
This unit, known as a PSEP, is shown under test conditions before its use on the Apollo 11 mision. Apollo 11, the first manned lunar landing mision carrying astronauts Neil Armstrong, Michael Collins and Edwin 'Buzz' Aldrin, was launched on 16th July 1969. Armstrong became the first man to walk on the Moon on 20th July 1969, followed shortly afterwards by Aldrin. Collins, the Command Module pilot, remained in lunar orbit while Armstrong and Aldrin were on the surface.