Bars with the following inscriptions are currently authorized for display on the badges:
OPERATOR - S (for special mechanical equipment)
MECHANIC (for automotive or allied vehicles)
DRIVER - A (for amphibious vehicles)
DRIVER - M (for motorcycles)
DRIVER - T (for tracked vehicles)
DRIVER - W (for wheeled vehicles)
TECHNICIAN (for TBD)
TECHNICIAN - S (for TBD)
TECHNICIAN - M (for TBD)