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 three stars represent the unit's mission areas of aerospace medicine, science and technology, and human systems integration. The lightning bolts symbolize the unit's three core competencies: research, education and operational support, converging and ascending to enhance the warfighter's human performance. The three bars depict the realms where airpower operates ? Air, Space and Cyberspace. The staff of Aesculapius portrays the Wing's unique capabilities in the life sciences, physical sciences and medical education.