U.S. space exploration history on U.S. stamps the multi-color Giori Press. Quantities issued totaled more than 187 million. The Apollo 11 mission landed the first humans on the Moon. Launched on July 16, 1969, the third lunar mission of NASA's Apollo Program was crewed by Commander Neil A. Armstrong, Command Module Pilot Michael Collins, and Lunar Module Pilot Edwin E. 'Buzz' Aldrin, Jr. On July 20, Armstrong and Aldrin became the first humans to walk on the Moon, while Collins orbited in the Command Module. The Apollo 11 mission reached President John F. Kennedy's goal of putting a man on the Moon's surface by the end of
Yuri Gagarin during the period of the Soviet Union. The Air Force Academy was renamed Gagarin Air Force Academy in 1968. There is street in Warsaw called Yuri Gagarin Street. Gagarin has been honored on the Moon by both astronauts and astronomers. He was honored by the American space program during Apollo 11 in 1969 when astronauts Neil Armstrong and Buzz Aldrin left a memorial satchel containing medals commemorating Gagarin and fellow cosmonaut Vladimir Komarov on the surface. In 1971, Apollo 15 astronauts David Scott and James Irwin left the "Fallen Astronaut" at their landing site as a memorial to all the