What mythological figure inspired the name for NASA’s first American human spaceflight program, Project Mercury?

Answer

The winged messenger of the gods.

Project Mercury was the designation used for NASA's initial foray into human spaceflight. This name was inspired by the figure of Mercury in Roman and Greek mythology, who is famously known as the winged messenger of the gods. This choice established the initial trajectory for NASA's naming conventions, setting a precedent rooted in classical figures that was later extended by Project Gemini and, most famously, Project Apollo.

What mythological figure inspired the name for NASA’s first American human spaceflight program, Project Mercury?
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