Marine Corps Combat Aircrew Insignia ISLAND_14D~81269 Sonar Technicians are responsible for

Sonar Technicians are responsible for the the Navy's underwater surveillance

Mexican Service Medal - Navy

United States Army 336th Transportation Group Unit Crest (Up Front When It Counts)

Criteria: This is the Combat Service Identification Badge (CSIB) for the 219th Battlefield Surveillance Brigade

Marine Corps Combat Aircrew Insignia ISLAND_14D~81269 Sonar Technicians are responsible forUnited States Marine Corps Combat Aircrew Insignia Criteria: During World War II, numerous fleet requests occurred to recognize the work of the enlisted aircrew members flying in combat, the result was the creation of the Air Crew Insignia on 18 May 1943. While primarily an enlisted insignia, officers were eligible if they met the same criteria of Bureau of Naval Personnel (BUPERS) Circular Letter 90 43. The design was essentially the same as today's