Mandatory military service requires citizens, often males, to serve in the armed forces for a set duration, usually several months to over a year. Paid or voluntary military service allows individuals to serve for shorter periods by paying a fee or opting for special programs. Standard service involves comprehensive training, active duty, and deployment, whereas paid service often limits duties to basic training or minimal operational tasks. Both aim to fulfill national defense obligations, but duration, cost, and responsibilities differ. Understanding these differences is crucial for citizens planning their careers, finances, and personal obligations alongside national service requirements.