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International professional association of flown astronauts and cosmonauts, working to support space exploration, science, education, and environmental awareness.
http://www.space-explorers.org/
Living memorial to the astronauts that have perished.
http://www.amfcse.org/
Dedicated to the men and women
http://www.astronautmemorial.net/
Details the history of Soviet cosmonauts who were allegedly lost in space or erased from history.
http://www.lostcosmonauts.com/
History of the first female U.S. Astronaut candidates from the early 1960s, and what they went through.
http://www.mercury13.com/
Manned spaceflight data and portraits.
http://www.spacefacts.de/