Marine Corps Miniature Combat Aircrew Insignia ISLAND_24 a physician must complete an

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

The CSIB is not authorized for wear on the Army Combat Uniform (ACU) or the Army Green Uniform

When a higher ranking device is awarded

For garrison caps

Coast Guard Miniature Medal for Heroism

Marine Corps Miniature Combat Aircrew Insignia ISLAND_24 a physician must complete anUnited States Marine Corps Miniature 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