What is u.s. army beret flashes?

U.S. Army beret flashes are patches worn on the U.S. Army beret. It is a symbol of the unit to which the wearer belongs. The flash is usually a rectangular or oval patch that represents the unit's colors and emblem. The flash is often worn above the unit insignia, which is worn on the left side of the beret and represents the soldier's regiment or corps. Beret flashes were first introduced during World War II as a means of identifying units with a common history and lineage. Today, U.S. Army beret flashes are worn by soldiers in a number of different units including Airborne, Special Forces, and Ranger units.