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Argent (Silver Gray) and Celeste, rayed of four and five bearing a vertical lightning bolt on the fifth Or, issuant from base a demi-globe Azure gridlined Sable surmounted by a contrail emitting from dexter arcing to sinister and ending in a flight symbol in dexter base all of the first, all within a diminished bordure Or.

Attached below the shield, a White scroll edged with a narrow Yellow border and inscribed "521ST AIR MOBILITY OPERATIONS WING" in Blue letters.


Ultramarine blue and Air Force yellow are the Air Force colors. Blue alludes to the sky, the primary theater of Air Force operations. Yellow refers to the sun and the excellence required of Air Force personnel. The contrail, flight symbol and globe symbolize the unit's rapid global mobility. The rays represent the sky and the ground forces that support the flying mission. The lightning bolt refers to the unit's unwavering pursuit of excellence.

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