1 year of full-time experience as a Security officer within the United States or 1 year of full-time law enforcement experience while employed by a United States federal, state, city or municipality law enforcement entity, or the United States Military, or; 3 years of non-administrative United States military active duty. The Guard enforces regulations and procedures designed to prevent breaches of security, exercises judgment and uses discretion in responding to incidents and emergencies, determining whether to intervene directly, ask for assistance as time permits, keep situation under control or surveillance, or to report incident or situation to the appropriate authority for handling.