Air Force Chief of Staff Gen. Dave Goldfein, right, and Portuguese Air Force Chief of Staff Gen. Manuel Teixeria Rolo, left, take part in a wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery, Arlington, Va., Sept. 23, 2016. Rolo and other NATO Air Chiefs were present as part of the 2016 NATO Air Chiefs' Symposium building the relationship between the United States and its coalition partners. ( Air Force photo by Senior Airman Philip Bryant)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: air, arlington, cemetery, force, national