en.wikipedia.org
en.wikipedia.org
nasa.gov
nasa.gov
space.com
nasa.gov
latimes.com
usna.edu
United States Naval Academy
https://www.usna.edu › Notables › astronauts › 1984curbeam.php
sma.gsfc.nasa.gov
Code 300 Safety and Mission Assurance Directorate
https://sma.gsfc.nasa.gov › sac › 2013-keynote-speaker-robert-l-curbeam-jr-captain-usn-ret-nasa-astronaut-former
spacenews.com
higherorbits.org
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