Conscription in South Korea
By law, when a Korean man turns 18 years old, he is enlisted for "first citizen service," meaning he is liable for military duty, but is not yet required to serve. When he turns 19 years old (or, in some instances, 20 years old), he is required to undergo a physical exam to determine whether he is suitable for military service. The table below shows the physical exam's possible grades and their outcomes, according to the Military Service Act. Men must enlist by the time they turn 28 (Korean age).
The length of compulsory military service in South Korea varies based on military branch. Active duty soldiers serve 21 months in the Army or Marine Corps, 23 months in the Navy, and 24 months in the Air Force. After conscripts finish their military service, they are automatically placed on the reserve roster and are obligated to attend a few days of annual military training for 6 years.
Conscription in Australia
In 1951, during the Korean War, national service was introduced under the National Service Act (1951). All Australian males aged 18 had to register for 176 days training (ninety-nine days full-time) and two years in the CMF. Later the obligation was 140 days of training (seventy-seven days full-time) and three years of service in the CMF. The regular military forces were kept as voluntary. In 1957 the system was changed to emphasise skill rather than numbers. The system was ended in 1959.