Military branches:
Army, Royal Navy (including Royal Marines), Royal Air Force
Military manpower - availability:
males age 15-49: 14,877,666 (2003 est.)
Military manpower - fit for military service:
males age 15-49: 12,353,942 (2003 est.)
Military expenditures - dollar figure:
$31.7 billion (2002)
Military expenditures - percent of GDP:
2.32% (2002)