noun
- Astronaut who made the first United States' suborbital rocket-powered flight in 1961 (1923-1998. ).
- synonyms: Shepard, Alan Shepard
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Alan Bartlett Shepard Jr.. Retrieved September 21, 2026, from http://smartdefine.org/alan_bartlett_shepard_jr./definitions/1255418 |
| Chicago | WordNet. 2010. "Alan Bartlett Shepard Jr." http://smartdefine.org/alan_bartlett_shepard_jr./definitions/1255418 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Alan Bartlett Shepard Jr., Smart Define, viewed 21 September, 2026, <http://smartdefine.org/alan_bartlett_shepard_jr./definitions/1255418>. |
| MLA | WordNet. "Alan Bartlett Shepard Jr." 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/alan_bartlett_shepard_jr./definitions/1255418> |