what was the third one about?
Apollo 11 was the spaceflight that first landed humans on the Moon. Neil Armstrong and Buzz Aldrin formed the American crew that landed the Apollo Lunar Module "Eagle" on July 20, 1969
Apollo 11
Apollo 11 was the spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module "Eagle" on July 20, 1969, at 20:17 UTC. 
who is the second person step on moon Buzz Aldrin where was he born? Glen Ridge, New Jersey, United States when? January 20, 1930 which space agency did he work in? NASA what does it stand for? National Aeronautics and Space Administration when was it established? 1958 which was it's first mission? Project Mercury - On May 5, 1961, astronaut Alan Shepard became the first American in space aboard a capsule he named "Freedom 7" what other missions was it involved in? Gemini 3, Apollo 8, Apollo 11, Asteroid Redirect Mission
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Apollo 11 [SEP] Introduction
Apollo 11 was the spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module "Eagle" on July 20, 1969, at 20:17 UTC. Armstrong became the first person to step onto the lunar surface six hours and 39 minutes later on July 21 at 02:56 UTC; Aldrin joined him 19 minutes later. They spent about two and a quarter hours together outside the spacecraft, and they collected of lunar material to bring back to Earth. Command module pilot Michael Collins flew the Command Module "Columbia" alone in lunar orbit while they were on the Moon's surface.