Multiple choice general knowledge science & technology

Which of the following "Original Seven" astronauts was the only one from the U.S. Marines?

  1. Alan Shepard

  2. Gus Grissom

  3. John Glenn

  4. William Ross
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

John Glenn was the only Marine among the Original Seven Mercury astronauts. Alan Shepard and Gus Grissom were Navy, and the other four were Air Force. "William Ross" is not a correct name among the Original Seven.

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