Ultramarine blue and Air Force yellow are the Air Force colors. Blue represents the sky, the primary theater of Air Force operations. Yellow refers to the sun and the excellence required of Air Force personnel. A nebuly line of partition divides the shield and represents clouds. Pegasus, the mythological winged horse, is shown in an attitude of flight, rising to the sky, deftly and swiftly with a flaming machine gun in each wing to accomplish the mission assigned successfully.