Apollo 11 insignia. At Scheer's suggestion, the CM was named "Columbia" after "Columbiad", the giant cannon that launched a spacecraft (also from Florida) in Jules Verne's 1865 novel "From the Earth to the Moon". It also referenced Columbia, a historical name of the United States. The astronaut had personal preference kits (PPKs), small bags containing personal items of significance that they wanted to take with them on the mission. Five PPKs were carried on Apollo 11: three (one for each astronaut) were stowed on "Columbia" before launch, and two on "Eagle". Neil Armstrong's LM PPK contained a piece of wood from the
Apollo 11 lunar sample display the United Nations that were to receive these displays. Each display included Moon dust from the Apollo 11 first manned lunar landing mission that were collected by Apollo 11 astronauts Neil Armstrong and Buzz Aldrin in 1969. The rice-sized particles were four small pieces of Moon soil weighing about 50 mg total and were enveloped in a clear acrylic button about as big as a United States half dollar coin. This acrylic button magnified the grains of lunar pebbles. The Apollo 11 lunar sample displays were given out as goodwill gifts by Nixon in 1970. Lunar dust soil from the