At the end of WWI, many Air Service units created shoulder patches from the roundel painted on aircraft wings. These roundels were often combined with their larger unit, as in the First Army patch ...

As this year marked the national commemoration for the 100th anniversary of U.S. entry into WWI, military basses across the U.S. are celebrating their ... based on the letters in their unit patch.

On April 6, 1917, President Woodrow Wilson, with the help of a Senate vote of 82 to 6, declared war against imperial Germany and the U.S. entered World War I.

An Ontario embroidery company is producing replicas of U.S. military patches and offering them to the families of those who served in the Normandy invasion in World War II.