Civil service available only for women )* (2 years)* (2 years, civilian or non-combatant option available for 3 years)* (2 years, selective)* (2 years, selective)* (2 years, selective)* (2 years)* (36 months for men, 24 months for women)* (2 years)* (10 years minimum)* (21 months for Army, 23 months for Navy, 24 months for Air Force and Social Service, 30, 34, 36 months special Social Service)* (2 years)* (2 years)* (2 years, selective)* (2 years in the Army.