Navy & Marine Corps Achievement Anodized Medal SBBA~Double~MCR-68104 Aviation Boatswain's Mates are typically

Aviation Boatswain's Mates are typically responsible for all of the aircraft catapults

Subsequent awards are denoted by wearing a bronze Oak Leaf Cluster on the medal or service ribbon

while the version awarded to enlisted members is pewter-toned

The award is retroactive to January 1

Navy & Marine Corps Achievement Anodized Medal SBBA~Double~MCR-68104 Aviation Boatswain's Mates are typicallyNavy & Marine Corps Achievement Anodized Medal The Navy & Marine Corps Achievement Medal (NAM) is a decoration presented by the United States Department of the Navy to service members of the U. S. Navy and Marine Corps who have performed commendably in routine duties or exceptional achievements, that have not been recognized by a higher award. It was originally created to honor junior members who are not generally eligible for the Navy & Marine Corps