United States Navy Flight Officer Insignia
Criteria: To qualify for the NFO insignia, a service member must have completed officer aviation training and be qualified as a systems operator on board a Naval aircraft. Such qualifications include weapons system operations, airborne tactical data system operations, electronic warfare, and airborne navigation.
The insignia originated in the 1930s and evolved from the Naval Aviation Observer insignia. The main reason for creating the NFO insignia in 1965-1966 was to recognize the higher degree of training required for naval flight officers, compared to other airborne support personnel.
The United States Coast Guard equivalent of the Naval Flight Officer insignia is known as the Coast Guard Flight Officer Badge and while identical to NFO wings, is no longer issued.