Males 18-36 years of age may volunteer for military service or must complete 4 months of compulsory military training (or substitute civil service in some cases); women may enlist; women in Air Force service are restricted to noncombat roles; for men born before December 1993, compulsory service (military or civil) is 1 year; for 8 years after discharge, men are subject to training recall four times for periods not to exceed 20 days.
18 years of age for compulsory military service; 16 years of age for volunteers; 17 years of age for Law Enforcement Forces; 15 years of age for Basij Forces (Popular Mobilization Army); conscript military service obligation is 18 months; women exempt from military service.
