Sonar Technician (ST) Rating Challenge Coin Beanie SubMerch offers up this very

SubMerch offers up this very large round coin

They will deny it of course

on board submarines and surface ships has morphed into 'ETR' or Electronics Technician - Radio' to its current form

Zombie dolphins combine the rich history of the US Submarine Force with the modern quest for all things zombie

Sonar Technician (ST) Rating Challenge Coin Beanie SubMerch offers up this veryOur 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