J eremiah Hansen and Jacob Simpson chose similar paths. Sturdy guys who enjoyed the physical side of life growing up, they both enlisted while in their teens. Hansen, whose parents live in Redland, chose the Marines. Hood River native Simpson, who has family in Lake Oswego and Milwaukie, chose the Army. Both served two tours of combat duty in Iraq. Last month, Hansen was discharged after twice being wounded by grenades. He still feels numbness and tingling from the dozens of shrapnel pieces scattered in his lower right leg and ankle. But he's fine, he says. There's no pain. He...