Vintage US Navy HS-4 Black Knights Squadron Ball Cap

Vintage US Navy HS-4 Black Knights Squadron Ball Cap. One Size fits all! Features the insignia for the Black Knights Squadron in bold red lettering! HS stands for Helicopter Anti-Submarine Squadron 4. Established in 1952! Redesignated as Helicopter Sea Combat Squadron Four (HSC) in 2012. Black Knights are famous for conducting the recovery for the Apollo space missions! A perfect hat for anyone interested in military, space, or just to have a unique hat! A cool eye catching piece with interesting history! A great fashion piece! Offers Encouraged!!