Pipelines: petroleum products 276,000 km; natural gas 331,000 km (1991)
Ports and harbors: Anchorage, Baltimore, Boston, Charleston, Chicago,
Duluth, Hampton Roads, Honolulu, Houston, Jacksonville, Los Angeles,
New Orleans, New York, Philadelphia, Port Canaveral, Portland (Oregon),
Prudhoe Bay, San Francisco, Savannah, Seattle, Tampa, Toledo
Merchant marine: total: 264 ships (1,000 GRT or over) totaling 6,911,641 GRT/9,985,660 DWT ships by type: barge carrier 1, bulk 11, cargo 14, chemical tanker 16, collier 1, combination bulk 4, combination tanker 11, container 86, multi-functional large-load carrier 4, passenger/cargo 2, petroleum tanker 81, roll on/roll off 28, specialized tanker 3, vehicle carrier 2 note: includes some foreign-owned ships registered here as a flag of convenience: Australia 1, Canada 4, Denmark 15, France 1, Germany 1, Netherlands 3, Norway 7, Puerto Rico 4, Singapore 11, Sweden 1, United Kingdom 3 (2002 est.)
Airports: 14,695 (2001)
Airports - with paved runways: 222 914 to 1,523 m: Airports - with unpaved runways: 1 2,438 to 3,047 m: Heliports: 132 (2001)
Military United States
Military branches: Department of the Army, Department of the Navy (includes Marine Corps), Department of the Air Force note: the Coast Guard is normally subordinate to the Department of Transportation, but in wartime reports to the Department of the Navy
Military manpower - military age: 18 years of age (2002 est.)
Military manpower - availability: males age 15-49: 70,819,436 (2001 est.)
Military manpower - fit for military service: NA (2002 est.)