The Space Race was a 20th century, from 1955 to 1972 competition between two Cold War rivals, the Soviet Union, and the United States for supremacy in spaceflight capability.
NASA is the United States government agency responsible for the civilian space program, as well as aeronautics and aerospace research.
Apollo Program
The Apollo program was designed to land humans on the Moon and bring them safely back to Earth. Six of the missions, which are Apollos 11, 12, 14, 15, 16, and 17 achieved this goal.
Moon Landing
A moon landing is the arrival of a spacecraft on the surface of the Moon. This includes a robotic object missions. It's the first human made object to reach the surface of the Moon was the Soviet Union.