s:
Corpus Christi, Duluth, Hampton Roads, Houston, Long Beach, Los
Angeles, New Orleans, New York, Philadelphia, Tampa, Texas City
note: 13 ports north of New Orleans (South Louisiana Ports) on the
Mississippi River handle 290,000,000 tons of cargo annually

Military United States

Military branches:
Army, Navy and Marine Corps, Air Force, and Coast Guard; note -
Coast Guard administered in peacetime by the Department of Homeland
Security, but in wartime reports to the Department of the Navy

Military service age and obligation:
18 years of age; 17 years of age with written parental consent
(2006)

Manpower available for military service:
males age 18-49: 67,742,879
females age 18-49: 67,070,144 (2005 est.)

Manpower fit for military service:
males age 18-49: 54,609,050
females age 18-49: 54,696,706 (2005 est.)

Manpower reaching military service age annually:
males age 18-49: 2,143,873
females age 18-49: 2,036,201 (2005 est.)

Military expenditures - dollar figure:
$518.1 billion (FY04 est.) (2005 est.)

Military expenditures - percent of GDP:
4.06% (FY03 est.) (2005 est.)

Transnational Issues United States

Disputes - international:
the U.S. has intensified domestic security measures and is
collaborating closely with its neighbors, Canada and Mexico, to
monitor and control legal and illegal personnel, transport, and
commodities across the international borders; abundant rainfall in
recent years along much of the Mexico-US border region has
ameliorated periodically strained water-sharing arrangements; 1990
Maritime Boundary Agreement in the Bering Sea still awaits Russian
Duma ratification; managed maritime boundary disputes with Canada at
Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and around the
disputed Machias Seal Island and North Rock; The Bahamas and US have
not been able to agree on a maritime boundary; US Naval Base at
Guantanamo Bay is leased from Cuba and only mutual agreement or US
abandonment of the area can terminate the lease; Haiti claims
US-administered Navassa Island; US has made no territorial claim in
Antarctica (but has reserved the right to do so) and does not
recognize the claims of any other states; Marshall Islands claims
Wake Island; Tokelau included American Samoa's Swains Island among
the islands listed in its 2006 draft constitution

Refugees and internally displaced persons:
refugees