Military branches:
Australian Defense Force (ADF): Australian Army, Royal Australian Navy (includes Naval Aviation Force), Royal Australian Air Force, Joint Operations Command (JOC) (2013)
Military service age and obligation:
17 years of age for voluntary military service (with parental consent); no conscription; women allowed to serve in most combat roles, except the Army special forces (2013)
Military expenditures:
1.71% of GDP (2012)
1.84% of GDP (2011)
1.71% of GDP (2010)
country comparison to the world: 50
[see also: Military expenditures country ranks ]