Navy and Marine Corps Medal
From Halopedia, the Halo wiki
The UNSC Navy and Marine Corps Medal is an award given to UNSC soldiers who are part of the Navy or Marine Corps. The Navy and Marine Corps Medal may be awarded to service members who, while serving in any capacity with the Navy or Marine Corps, distinguish themselves by heroism not involving actual conflict with an enemy. Typically, it is awarded for actions involving the risk of one's own life.
