The H-3 is a twin-engine all-weather helicopter. The SH-3 is used to detect, classify, track and destroy enemy submarines. It also provides logistical support and search and rescue capability. The UH-3H and VH-3 are configured for combat support functions
The first version of this workhorse helicopter was flown more than 20 years. The Sea King has been replaced by SH-60F Sea Hawk helicopters as an anti-submarine warfare helicopter. The transition occurred in the early 1990. The Sea King then became a search and rescue helicopter.