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.
Registered Cossacks of the Russian Federation
The Registered Cossacks of the Russian Federation are the Cossack paramilitary formation (public) carrier state and other service on the basis of the Federal Law of the Russian Federation dated December 5, 2005 № 154-FZ "On State Service of the Russian Cossacks".