NASA - Neil ArmstrongApollo 11, July 21, 1969 - Buzz Aldrin deploys seismic detection equipment. Period chromogenic print on "A Kodak Paper" paper. NASA G-70-1494 legend and numbering on the back. Image: 19 x 24 cmSheet : 20.1 x 25.5 cmAll Apollo missions have deployed a scientific study station on the lunar surface. These samples and experiments constitute a decisive part of the missions. The Apollo 11 astronauts will later testify to the ease with which they have carried out these many operations in a short period of time. Their training on Earth had prepared them for extremely difficult conditions to perform these manoeuvres.