Complete all 1-Star missions as Britain
Complete all 2-Star missions as Britain
Complete all 3-Star missions as Britain
Complete all 4-Star missions as Britain
Complete all 1-Star missions as USA
Complete all 2-Star missions as USA
Complete all 3-Star missions as USA
Complete all 4-Star missions as USA
Complete all 1-Star missions as Soviets
Complete all 2-Star missions as Soviets
Complete all 3-Star missions as Soviets
Complete all 4-Star missions as Soviets
Complete Torpedo mission on 1-Star difficulty without firing a single shot. (Die to reset)