Each thin line has its own designation for the people it represents. There are two groups that use these various designations, they are the first responders and military members.
First Responder Thin Line Meanings
Thin Blue Line: represents the Police Officers
Thin Red Line: represents the Firefighters
Thin Green Line: represents the Border Patrol Agents
Thin White Line: represents the EMS Agents
Thin Yellow Line: represents the Dispatchers
Thin Grey Line: represents the Corrections Officers
Military Armed Services Thin Line Meanings
Thin Blue Line: represents the Air Force and Navy Members
Thin Red Line: represents the Coast Guard and Marine Corp Members
Thin Green Line: represents the Army and Military Police Members
Thin White Line: represents the National Guard and Veterans
