... the challenge. On July 16 , 19 69, the Apollo 11 was launched. The astronauts on board of the spacecraft were Neil Armstrong, Buzz Aldrin and Michael Collins. On July 20, 19 69, Neil Armstrong became ... of Apollo 11 returned to the Earth on July 24, 19 69. They successfully completed their historic mission. It is regarded as the greatest human efforts in the history of man kind. Unit 16 : THE ... the challenge. On July 16 , 19 69, the Apollo 11 was launched. The astronauts on board of the spacecraft were Neil Armstrong, Buzz Aldrin and Michael Collins. On July 20, 19 69, Neil Armstrong became...