Members of the Army, Air Force, Navy and Marines arrive at the Langley Transit Center at Joint Base Langley-Eustis, Va., Nov. 13, 2014. The service members are returning from supporting Operation United Assistance, a Department of Defense operation in Liberia to provide logistics, training and engineering support to Agency for International Development-led efforts to contain the Ebola virus outbreak in western Africa. Staff Sgt. Gustavo Gonzalez/)

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Photo credit: © PJF Military Collection / Alamy / Afripics
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Keywords: 621, air, airforce, airmen, contingency, force, military, response, states, united, usa, wing