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The three phases of the space program were the early human spaceflight era, the space race between the United States and the Soviet Union, and the era of international cooperation and exploration that followed.
The manned space programs operated by the US that put people into space and on the moon were Mercury, Gemini, and Apollo.
lift off orbit reentry
The phases of space shuttle flight are liftoff, orbit insertion, orbit, re-entry, and landing.
The phases of the moon are caused by the relative positions of the sun, the moon and the observer. It is possible to see phases of the moon in space depending on your position relative to the sun and the moon.
The three main space programs developed for human space travel and moon missions are NASA (United States), Soviet space program (USSR), and the Apollo program (United States), which was a part of NASA focused specifically on landing astronauts on the moon.
The space program has not ended