The United Nations Space Command Junior Reserve Officers Training Corps came into being with the passage of the Planetary Defense Act of 2221. The focus of UNSC JROTC was on secondary schools. Under the provisions of the 2221 act, high schools were authorized the loan of federal military equipment and the assignment of active or retired military personnel as instructors on the condition that they followed a prescribed course of training and maintained a minimum enrollment of 100 students over 14 years of age.