When Clyde Hudson was made a petty officer, 'I'd never been on a ship before.' He learned the ropes quickly. URBANA — On a patrol ship, Clyde Hudson served in both the Atlantic and Pacific hunting submarines that could attack convoys. Hudson, 95, was in the Navy signal corps on USS PC 493, a convoy escort ship with a shallow draft, so that a sub would have to be on the surface to hit it with a torpedo. read more