answer:I’ll beat Gail to it and tell you it is Apollo. The answer is on this link under Background. “The program was named after the Greek god of light, music, and the sun by NASA manager Abe Silverstein, who later said that “I was naming the spacecraft like I’d name my baby.”[1] Silverstein chose the name at home one evening, early in 1960, because he felt “Apollo riding his chariot across the Sun was appropriate to the grand scale of the proposed program.”[2] While NASA went ahead with planning for Apollo, funding for the program was far from certain given Eisenhower’s ambivalent attitude to manned spaceflight.”