I thinks its called a Tour or Tour of Duty
No this is wrong as they have a military service.
SCUTAGE
Deferment.
Tax paid as military service to feudal lords and Kings in medieval period was called SOCAGE.
a person who is drafted into military service
Selective Service.
DD214
Veterans.
"Military service 1y" typically refers to a one-year commitment to serve in the military. This duration may apply to various forms of service, such as active duty, reserve duty, or enlistment in specific programs. The specifics can vary by country and military branch, often offering training, experience, and potential benefits in exchange for the service period.
The military give them the names.
Feudalism is the political system in which land is given for military service in medieval times.
the free peasant suffered during that period because of the military service and the months forced labor