Toppling the Taliban Air-Ground Operations in Afghanistan, October 2001–June 2002 Perry, Walter L.;Kassing, David creator text xx RAND Corporation 2015 9999 monographic und
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 Perry, Walter L.;Kassing, David History Operation Enduring Freedom, 2001-; Afghan War, 2001 -- Campaigns; Afghan War, 2001 -- Aerial operations, American; Postwar reconstruction -- Afghanistan Research Reports 9780833082657 http://jstor.org/stable/10.7249/j.ctt19jcgqv http://jstor.org/stable/10.7249/j.ctt19jcgqv 171212