Following the tradition of the World War II patrol pin, the silver SSBN Deterrent Patrol insignia is worn by both officer and enlisted members of SSBN crews in recognition of their sacrifice and hard work in completing strategic patrols. The badge depicts a with superimposed Polaris missiles, below which is a scroll with slots for up to six stars. One gold star marks each patrol completed. A silver star marks five patrols. Upon completion of 20 patrols, a gold patrol pin is authorized.