Service cap
A service cap (also known as a peaked cap) was a type of hat, designed with a peaking brim and a short visor. It was often worn in the military.

Starfleet officers, including Captain Christopher Pike, owned a Starfleet issued cap as part of their uniform accessories during the 2250s. () 

Starfleet Academy recruits and instructors also wore caps in the alternate reality. (; ) Dress uniforms also had a corresponding service cap. ()

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Clothing