USAAC Roundel 1919-1941 (Roundel used by the United States armed forces from 19 August 1919 to 6 May 1942 until red dot removed to avoid confusion with Japanese insignia. Superceeded very similar roundel whose colors and proportions differed slightly
Click the "+ ADD" button to create a new blank emblem.
Open the browser console (Ctrl-Shift-J for Chrome, Ctrl-Shift-K for Firefox, Ctrl-Shift-I for Opera, F12 for IE).
Paste the code below into the console and press Enter, making sure you get everything from the emblem.emblem.load to the ending semi-colon. (You will get the emblem loaded with all its layers)
Close the console.
Click the "SAVE & USE" button in the top right corner.