Dr. Gregory Burnett, middle, and Andres Calvo, right, analyze a graphic representation of movement trackers, as U.S. Air Force 2nd Lt. Krystin Shanklin tests Google Glass at Wright-Patterson Air Force Base, Ohio. Burnett is the chief engineer of the Battlefield Air Targeting, Man-Aided Knowledge, or BATMA(N) group, an advanced technology demonstration and research program at the 711th Human Performance Wing at the Air Force Research Laboratory. The team investigates emerging technologies, such as Google Glass' transparent, heads-up display, for possible military application. Calvo is a software developer and civilian contractor with the wing. (U.S. Air Force photo by Richard Eldridge/Released)