Naval Astronaut Aviator Insignia ISLAND_32C~OCP-117 Criteria: Worn on the the

Criteria: Worn on the the Marine Corps peaked and quatrefoil caps

Criteria: The Gunner Coat Device is worn on the shoulders of the Marine Corps uniform

Since the Marine Corps and the Coast Guard have no organic medical officers

or Unified Command

The Valor device is also approved for wear if the award is presented for heroism in combat

Naval Astronaut Aviator Insignia ISLAND_32C~OCP-117 Criteria: Worn on the theUnited States Navy Naval Astronaut Aviator Insignia Criteria: The Naval Astronaut insignias are issued in a single degree to naval aviators and flight officers from the United States Marine Corps, United States Navy, and United States Coast Guard, with all three branches being trained in the same pipeline. All three branches also wear the same insignia which consists of a Naval Aviator insignia or Naval Flight Officer insignia with a centered gold