cockade

noun2

1. •
   A rosette or knot of ribbon worn in a hat, especially as an office or party badge.

   • […] and Nature had moreover wrote GENTLEMAN with so fair a hand in every line of his countenance, that even his tarnish’d gold-laced hat and huge cockade of flimsy taffeta became him; […] — 1761
2. •
   An emblem of concentric circles of different colours, identifying the country to which an aircraft belongs.

   • On the bank of the river in French territory lies a wrecked plane bearing the cockade of the French service. — 1920