Apollo program an address to Congress on May 25, 1961. It was the third US human spaceflight program to fly, preceded by the two-man Project Gemini conceived in 1961 to extend spaceflight capability in support of Apollo. Kennedy's goal was accomplished on the Apollo 11 mission when astronauts Neil Armstrong and Buzz Aldrin landed their lunar module (LM) on July 20, 1969, and walked on the lunar surface, while Michael Collins remained in lunar orbit in the command and service module (CSM), and all three landed safely on Earth on July 24. Five subsequent Apollo missions also landed astronauts on the Moon,
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