The NASA Skylab space station orbited the Earth from 1973 to 1979. It included a
workshop, a solar observatory, and other systems. Three manned missions to the
station were conducted between 1973 and 1974. The fourth and final Skylab crew returned to Earth on Friday, February 8, 1974.

The Skylab 4 crew included from left: Commander Gerald Carr, Pilot William Pogue,
and Science Pilot Edward Gibson. They were launched on November 16, 1973 atop
a Saturn B rocket. The three astronauts spent 6,051 man hours performing scientific experiments that covered medical activities, and solar observations, 

NASA Astronaut Alan B. Shepard ,Apollo 14 Commander, and the
fifth man to set foot on the Moon, placed a modified six iron head
on the contingency sample return handle, and swung at three golf
balls on the surface of the Moon on this day in 1971.

From left: Edgar Mitchell, Alan Shepard and Stuart Roosa

The space shuttle Challenger exploded 73 seconds after liftoff from Cape Canaveral, killing all seven crew members.

Apollo 5 was the first unmanned flight of the Apollo Lunar Module, which would
later carry astronauts to the Moon. It lifted off on Monday, January 22, 1968 with
a Saturn 1B rocket. The mission tested the Lunar Module in space environment
and the descent and ascent engine systems.