vert in each flank. The guidon is a square flag (0.75 m × 0.75 m) with a quadrature of the coat of arms of the bearer, with a bordure that can be simple, with cantons, quarterly or gyronny. The pennant is a triangular flag (0.25 m × 0.5 m) containing the symbology of the unit. The standards are intended to be borne by the base units, commands, the Air Force Academy and the Air Force; the guidons are by groups; and the pennants by squadrons and independent flights. The merit guidons are to be borne by flights, squadrons and groups distinguished, with the golden medal of distinguished services or above decorations, for exceptional merit in a combat action, including the name of the unit and the date when that action occurred. The Air Force heraldic authority is the Historical Archive of the Air Force, which includes a deputy chief for heraldry. Unified bodies' heraldry The heraldry of the General Staff of the Armed Forces (EMGFA) was established in 1977, based on the 1969 heraldic rules of the Army and the 1972 rules of the Navy. The achievement of arms of the EMGFA was established as azure, a winged sea lion or handling an ancient sword argent, a coronet with five apparent cannonballs or, the winged sea lion of the shield issuing as crest and a scroll with the motto Que quem quis sempre pôde (That anyone who wanted always could). The coat of arms was represented in a round bottom shield. The coat of arms of the Chief of the General Staff consisted of the shield of the EMGFA with the coronet replaced by a helm and the crest of the EMGFA. A coat of arms of Vice-Chief of the General Staff was also established, being the field of the shield of the EMGFA with a bordure argent, topped by a helm and the crest of the EMGFA, this defaced by a roundel gules. The distinctive flags (galhardetes) of the Chief and Vice-Chief of Staff were their respective banners of arms. The standard (estandarte) of the EMGFA followed the 1969 model of the Army units' heraldic standards with a quarterly field of azure and argent and a countercharged bordure of gules and or, a reduced cross or overall and the shield of the EMGFA on the center surrounded by a scroll with the designation of the body. The heraldry of