Subject
National security
2,214
Terrorism Prevention
326
Appropriations and expenditures
259
United States Foreign relations
250
United States Military policy
221
National security Finance
166
Rules and practice
165
Intelligence service
131
Evaluation
123
Management
116
United States Defenses
99
Terrorism Prevention Government policy
94
Military planning
92
Security, International
89
United States Armed Forces Operational readiness
84
Emergency management
72
Border security
70
Planning
65
Cyberterrorism Prevention
62
National security Planning
62
Interagency coordination
55
United States Armed Forces
54
Export controls
53
Terrorism
52
Terrorism Prevention Finance
51
Nuclear nonproliferation
47
Economic sanctions, American
42
Terrorism Religious aspects Islam
40
Weapons of mass destruction
40
Nuclear weapons
39
Privacy, Right of
38
Civil defense
37
Computer security
37
Deterrence (Strategy)
37
United States Armed Forces Appropriations and expenditures
37
United States Military relations
37
Visas Government policy
36
Computer networks Security measures
35
Energy policy
34
Procurement
34
Civil rights
33
Cyberinfrastructure Security measures
33
National security Forecasting
32
Intergovernmental cooperation
31
Russia (Federation) Foreign relations
31
Strategy
31
Terrorism Risk assessment
31
Illegal immigration
30
Noncitizens
30
Sequestration (Public finance)
30
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