Otto brand baseball cap featuring detailed embroidery for the Army Security Agency Semper Vigilis TUSLOG DET 4 SINOP 1972-1978. This tan hat is constructed from durable cotton twill with a classic six-panel design and breathable embroidered eyelets. It includes an adjustable hook and loop strap at the back for a customizable fit, making it a great commemorative piece for veterans or military history enthusiasts.