an American cartoon superhero who first appeared in comic books in 1941. Captain America wears red, white and blue, and travels the country fighting crime on his motorcycle. He is the product of a special project called "Operation Rebirth" in which he was given a secret serum and exposed to "vita-rays," making him extremely strong and giving him reflexes ten times faster than those of normal men. Man "Captain America." CIAchief "That's all right."