1918: The Army changes its aircraft insignia to concentric circles of red and blue around white.
See http://wwiisquadronpatches.com/NationalInsigniaHistoryUSAircraft.html for a capsule history of roundels.
1918: The Army changes its aircraft insignia to concentric circles of red and blue around white.
See http://wwiisquadronpatches.com/NationalInsigniaHistoryUSAircraft.html for a capsule history of roundels.