What this ring-knocker was wearing was a qualification badge.
After successfully completing a summer course, cadets are presented with a qualification badge to display on their uniform.
To receive a qualification badge, cadets must attain the following scores that is supervised or observed by a qualified instructor:
It was a qualification badge and not a medal; it was therefore not a permanent award.
If a second specialist badge is earned, the least current is worn below the firearms qualification badges.
You need Congressional approval to accept a medal, but wings are qualification badges.
Miniature medals are worn on the left breast above miniatures of qualification badges earned.
He'd found a subdued SEAL badge and that was on top of his qualification badges.
A sophisticated observer would have recognized Assault, Intelligence, and Ordnance qualification badges as well.
Holders of each level wear qualification badges below their ribbons with bars for the weapons they qualify in.