These units are not considered voluntary, although the majority of the course participants are volunteers who have already been through some preliminary training exercises. Duration of the course is 2 months. Participants learn the operation of wireless communications equipment between ships, coastal stations and command centers. Duration of the course is 3-5 months. Participants learn how to use radar to locate enemy ships and to track friendly forces.
Graduates serve on ships or in operations rooms, and some even serve in patrol aircraft.
Duration of the course is about 2 months. Participants learn how to operate sea borne weapon systems, including missile firing systems. Duration of the course is 2 months. Duration of these courses is approximately 3 months each. Various professional technicians, such as mechanics, electricians and electronic specialists also serve in the Navy, both at sea and on land.