21
Published 2008
RAND Corp.

22
by Libicki, Martin C.
Published 2012
RAND

24
by McLeod, Gary
Published 2016
RAND Corporation

26
by Graser, John C.
Published 2010
RAND

27
by Robson, Sean
Published 2013
RAND Corporation

30
by Snyder, Don
Published 2013
RAND

32
by Hamilton, Thomas
Published 2012
RAND

33
by Snyder, Don
Published 2012
RAND

34
by McGarvey, Ronald G.
Published 2013
RAND

35
by Mouton, Christopher A.
Published 2013
RAND

37
by Lambeth, Benjamin S.
Published 2003
RAND, Project Air Force

38
by Khalilzad, Zalmay
Published 2002
Rand

39
by Birkler, J. L.
Published 2003
RAND