Help With KM Shoulderboard

[Jody]

Hello folks,
Is this board KM and what is it for?

Thank You,
Jody

[Jody]

Shoulderboard

Another view:

[-Ray-]

KM tropical or aged white variation, made from Italian "olona" fabric (brushed denim). It appears to have had a cipher removed.

Looks like a field expedient modification due to a promotion to Maat (petty officer) by the unconventional tress.

Nice example.

-Ray-