Order of National Security Merit
The Order of National Security Merit is one of South Korea's orders of merit. It is awarded by the President of South Korea for "outstanding meritorious services in the interest of national security."Grades
The order is divided into five grades.
| Grade | Name | Ribbon |
| 1st | Tongil Medal | |
| 2nd | Gukseon Medal | |
| 3rd | Cheonsu Medal | |
| 4th | Samil Medal | |
| 5th | Gwangbok Medal | |
The Exemplary Public Official Medal is also awarded for exemplary public official with 6th Grade or under.
