Martin Sheen showed us some of the horrors of war in 1979's Apocalypse Now, and his son Charlie made them even more visceral seven years later in Platoon. As Pvt. Chris Taylor, a soldier who forsakes college for combat duty, Charlie Sheen suffers every indignity imaginable -- some at the hands of his superior officers. Take our five question Platoon trivia quiz and see how much you remember about his tour of duty.