Subject
Marine terminals Security measures
Harbors Security measures
30
Terrorism Prevention
17
National security
14
Shipping Security measures
10
Container terminals Security measures
5
Merchant marine Security measures
4
Customs inspection
3
Ports of entry Security measures
3
Harbors Foreign ownership
2
Interagency coordination
2
Cargo handling Security measures
1
Freight and freightage Security measures
1
Hazardous substances Transportation
1
Intergovernmental cooperation
1
Investments, Foreign Security measures
1
Management
1
Marine terminals Foreign ownership
1
Merchant marine Safety measures
1
Oregon Commerce
1
Railroads Passenger traffic Security measures
1
Rules and practice
1
Ships Security measures
1
Terrorism Economic aspects
1
Terrorism Prevention Government policy
1
Unitized cargo systems Safety measures
1