Titan

in the air and space museum

I can"t recall a Titan. There is a guided missile called the Titan and various forms were used to loft the Gemini Manned space capsules in the sixties. these were modified Titan II"s. The Titan Three with side booster tanks was used mainly to loft satellite vehicles and not manned craft. Had a sort of Russian Orthodox look with those side tanks!

Percy had to go to the museum because the bad guys were there so he had to kill him if he wanted to survive because it works that way....gosh.

The first monster in The Titan's Curse was called a manticore.