Russia
The Russian military is divided into the Ground Forces, Navy, and Air Force. There are also three independent arms of service: Strategic Missile Troops, Aerospace Defence Forces, and the Airborne Troops. , the military comprised over 1 million active duty personnel, the fifth largest in the world. Additionally, there are over 2.5 million reservists, with the total number of reserve troops possibly being as high as 20 million. It is mandatory for all male citizens aged 18–27 to be drafted for a year of service in Armed Forces.
Conscription in Serbia
As of 1 January, 2011, Serbia no longer practises mandatory military service. Prior to this, mandatory military service lasted 6 months for men. Conscientious objectors could however opt for 9 months of civil service instead.