U.S. Military Aircraft Roundels (1918-Present)

(SVGs are from Wikimedia Commons)

1918-1919
(Europe Only)

1926-1941

(Abandoned because of red circle causing mis-identification with Japanese “Meatball”)

1942-1943

1943
(Early)

1943-1947

1947-Present
(Full Color)

1947-Present
(Low-Visibility)