Military branches:
National Army (Ejercito Nacional), Republic of Colombia Navy (Armada Republica de Colombia, ARC, includes Naval Aviation, Naval Infantry (Infanteria de Marina, IM), and Coast Guard), Colombian Air Force (Fuerza Aerea de Colombia, FAC) (2012)

Military service age and obligation:
18-24 years of age for compulsory and voluntary military service; service obligation is 18 months (2012)

Military expenditures:
3.28% of GDP (2012) 3.06% of GDP (2011) 3.63% of GDP (2010)
country comparison to the world: 17
[see also: Military expenditures country ranks ]