Navy Deep Submergence Insignias Class:Enlisted Criteria: The Submarine Warfare Insignia

Criteria: The Submarine Warfare Insignia (also known as "dolphins" or "fish") is a uniform breast insignia worn by enlisted men and officers of the United States Navy to indicate that they are qualified in submarines

the "Master Diver" insignia resemble the diving medical insignias but are decorated with a caduceus

ranked Colonel or below

they are spaced equally from left to right on the pocket

The waves represent the Navy's heritage

Navy Deep Submergence Insignias Class:Enlisted Criteria: The Submarine Warfare InsigniaUnited States Navy Deep Submergence Insignia Criteria: The Deep Submergence Insignia is a uniform breast pin worn by officers and men of the United States Navy's submarine service who are qualified in submarines and have completed one year of regular assignment to a Manned or Unmanned Deep Submersible. The badge was first approved on 6 April 1981. The insignia is also authorized to a supporting deep submergence detachment. The Deep Submergence