Helicopter Sea Combat Squadron Four, also known as the Black Knights, is a multi-role combat helicopter squadron of the United States Navy based at Naval Air Station North Island which operates Sikors
HS-4 HO4S taking off from Badoeng Strait (CVE-116) in 1954.
Naval Outlying Landing Field Imperial Beach is a United States Navy facility for helicopters, situated on 1,204 acres approximately 14 miles south of San Diego and within the city limits of Imperial B
An MH-60S Seahawk, assigned to HSC-3, along with two other Seahawk, practice landings at NOLF Imperial Beach