4
by Paul, Christopher
Published 2010
RAND

5
by Paul, Christopher
Published 2010
RAND National Defense Research Institute

6
by Paul, Christopher
Published 2011
RAND

7
by Paul, Christopher
Published 2011
RAND Corp.

8
by Porche, Isaac, Paul, Christopher
Published 2013
RAND

9
by Paul, Christopher
Published 2012
RAND

10
by Paul, Christopher, Clarke, Colin P., Grill, Beth, Dunigan, Molly
Published 2013
RAND Corporation

11
by Paul, Christopher, Clarke, Colin P., Grill, Beth, Dunigan, Molly
Published 2013
RAND Corporation

12

15

16
by Paul, Christopher, Porche, Isaac, Axelband, Elliot
Published 2014
RAND Corporation

17
by Paul, Christopher
Published 2015
Rand Corporation

18
by Paul, Christopher
Published 2015
Rand Corporation

20
by Paul, Christopher
Published 2004
RAND