CC0 Usage Conditions ApplyClick for more information. Project Mercury was the United States' first human spaceflight program. Delmas D. "Del" Burchfield (1926-2016) was an engineer at McDonnell ...
CC0 Usage Conditions ApplyClick for more information. The 2011 John H. Glenn lecture featured a moderated conversation with two of NASA's original Mercury astronauts: John Glenn and Scott Carpenter.
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