Sonar Technician (ST) Rating Challenge Coin Beanie Welt knit collar that resists

Welt knit collar that resists curling

but you can't come in" is emblazoned on the door inside

SubMerch has an Indo Pacific coin in a classic round shape

this cap has a great pro look

Sonar Technician (ST) Rating Challenge Coin Beanie Welt knit collar that resistsOur challenge coin from SubMerch shines a battle lantern (emergency light) on those crewmembers who spend time looking for contacts (ships or submarines) in the control room or sonar shack. ST's or STS's (Sonar Technicians Sonar Technicians Submarines) on board surface ships and submarines work with computer screens and headphones to sort through all the sounds of the ocean to find the bad guys in their ships or submarines. This challenge coin