Yellow - - - - - representing the Cavalry and mobility
Blue - - - - - - for the Infantry and holding power
Red - - - - - - signifying Artillery and firepower
The overall shape suggests a pyramid of power, with Patton's branch and color
(cavalry yellow) uppermost.
The lightning, tracks, and cannon were added in 1941 when the Armored Force was
reactivated.
The individual unit designations are indicated by the number at the top of the
patch.
(Note: This information courtesy The Purple Heart Magazine)
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