Subject
Rules and practice
198
Airline passenger security screening
47
Terrorism Prevention
47
Airports Security measures
43
Aeronautics, Commercial Security measures
37
Evaluation
34
Transportation Security measures
22
Airline passenger security screening Law and legislation
18
Airports Baggage handling Security measures
14
Cargo handling Security measures
14
Auditing
12
Aeronautics, Commercial Freight Security measures
11
Management
10
Procurement
9
Airline passenger security screening Evaluation
8
Transportation Security measures Evaluation
8
Airports Security measures Evaluation
7
Officials and employees
7
Airline passenger security screening Technological innovations
6
Intergovernmental cooperation
6
Personnel management
6
Public-private sector cooperation
6
Railroads Security measures
6
Terrorism Prevention Government policy
6
Aeronautics, Commercial Passenger traffic Security measures
5
Airports Baggage handling Security measures Evaluation
5
Biometric identification
5
Detector dogs
5
Explosives Detection
5
Interagency coordination
5
Pipelines Safety measures
5
Aeronautics, Commercial Security measures Technological innovations
4
Airline passenger security screening Equipment and supplies
4
Airlines Employees
4
Airports Security measures International cooperation
4
Employee screening Law and legislation
4
Government purchasing
4
Local transit Security measures
4
National security
4
National security Management Evaluation
4
Aeronautics Security measures
3
Aeronautics, Commercial Security measures Evaluation
3
Aeronautics, Commercial Security measures International cooperation
3
Aeronautics, Commercial Security measures Law and legislation
3
Airports Security measures Technological innovations
3
COVID-19 Pandemic, 2020-
3
Harbors Security measures
3
Identification cards
3
International airports Security measures
3
Pipelines Economic aspects
3
more ...