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A cadet conducts an experiment during a chemistry class at the U.S. Air Force Academy in Colorado Springs, Colo. Cadets take seven classes each semester in order to graduate with bachelor degrees and Air Force commissions. (U.S. Air Force photo)


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A cadet conducts an experiment during a chemistry class at the U.S. Air Force Academy in Colorado Springs, Colo. Cadets take seven classes each semester in order to graduate with bachelor degrees and Air Force commissions. (U.S. Air Force photo)

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