US Navy Custom Ship Cap - Iris Class SBBA~Double~11070DBR a physician must complete an

a physician must complete an abbreviated version of the training required for the standard Submarine Warfare Insignia

The lanyard is khaki with black lettering

During times of war

Some Machinist's Mates are also trained in Health Physics and maintaining of reactor chemistry for their work required for the maintenance of the machinery involved with nuclear reactors

US Navy Custom Ship Cap - Iris Class SBBA~Double~11070DBR a physician must complete anCustomizable U. S. Navy Ship Caps Add the ship name, hull number and if you like, text on the back of the cap. Like all of our custom products, these caps are embroidered at our shop in Texas. Hat Specs: 85% Acrylic, 15% Wool. Structured, mid profile, six panel with pre curved visor, sewn eyelets, and adjustable hook and loop closure. One size. This item uses hook and loop fasteners. (See video)