Lt. Gen. Gregory Lengyel, Vice Chief, National Guard Bureau, delivers the oath of office to Class 2015-01, Officer Training School's first combined class of Basic Officer Training and Academy of Military Science, its active duty and Air National Guard components, respectively, at the Welch Parade Field, Oct. 10, 2014. ( Melanie Rodgers Cox

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Keywords: afb, air, airforce, bulk, dimoc, dvids, force, gen, gregory, import, lengyel, lt, maxwell, military, states, united, usa