 He had originally been classified 4F, or medically ineligible for the draft, because of a high school knee injury, and he felt that he was drafted only because he was a prominent athlete.He served in the heavy weapons division of the Army, where the roar of the big guns sent pains throbbing through Houtteman's head and gave him severe headaches, which doctors believed was a lingering effect of the skull fracture three years earlier.As a result, the Army reclassified Houtteman as not fully qualified for combat duty.