NASA's pioneering astronauts: Where are they now?

In this July 16, 1969 file photo, Neil Armstrong waving in front, heads for the van that will take the crew to the rocket for launch to the moon at Kennedy Space Center in Merritt Island, Florida. (AP Photo/FILE)

As space exploration has become more common and the number of astronauts has risen past 300, many names have faded into the background. But some will forever be associated with the golden age of space exploration. Some examples:

From 1969's Apollo 11, the first manned moon landing mission:

Some other notable astronauts: