Subject
Ships Registration and transfer
123
Coastwise shipping Law and legislation
115
Shipping
93
Shipping Security measures
73
Maritime law
55
Appropriations and expenditures
53
Harbors Security measures
42
Procurement
34
Ports of entry Security measures
32
Terrorism Prevention
27
Rules and practice
26
Operational readiness
23
National security
21
Shipbuilding
20
Shipping Environmental aspects
20
Submarines (Ships)
20
Liquefied natural gas shipping terminals Environmental aspects
19
Ships Hydrodynamics
18
Liquefied natural gas pipelines Environmental aspects
17
Merchant marine
17
Northwest Passage
17
Oceanographic research ships
17
Management
16
Marine pollution Law and legislation
15
Ships Purchasing
15
Ships Safety regulations
15
Shipwrecks
15
Voyages around the world
15
Cruise ships
14
Stability of ships
14
Arctic regions
13
Environmental impact statements
13
Navigation Safety measures
13
Shipping Government policy
13
Ships
13
Equipment and supplies
12
Harbors
11
Marine terminals Security measures
11
Shipping History
11
Ships Maintenance and repair
11
United States Commerce
11
Amphibious assault ships
10
Ice breaking operations
10
Shipbuilding industry
10
Ships Nationality
10
Waste disposal in the ocean Law and legislation
10
Business logistics
9
Container ships
9
Coral reef conservation
9
History
9
more ...