... challenge. On July 16 , 1 969 , the Apollo 11 was launched. The astronauts on board of the spacecraft were Neil Armstrong, Buzz Aldrin and Michael Collins. On July 20, 1 969 , Neil Armstrong became ... Apollo 11 returned to the Earth on July 24, 1 969 . They successfully completed their historic mission. It is regarded as the greatest human efforts in the history of man kind. Unit 16 : THE WONDERS ... challenge. On July 16 , 1 969 , the Apollo 11 was launched. The astronauts on board of the spacecraft were Neil Armstrong, Buzz Aldrin and Michael Collins. On July 20, 1 969 , Neil Armstrong became...