Lt. Col. Joseph McKenna, 49th Test and Evaluation Squadron commander, speaks to guests during a ceremony at Barksdale Air Force Base, La., Aug. 2, 2017. The ceremony was held to celebrate the 100th birthday of the 49th TES, and to provide a historical overview of the unit’s missions and accomplishments over the century. ( Air Force Photo/Senior Airmen Mozer O. Da Cunha)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: #centennial, #teambarksdale#bafb#airmen#49th#tes#test##evaluat, #teambarksdale#bafb#airmen#49th#tes#test##evaluations