 Complete the following phrase:  There are more emblems than coats of arms used by Spanish Air Force units, air bases, barracks, aerodromes, Air Force General Headquarters, its dependent divisions and other organisms or centres. Air Force emblems first appeared in 1913 displayed on the front part of the fuselage but they were not official until the 1920s. Most squadrons created after the Spanish Civil War didnt have an insignia until 1954, one year after the 