736 - TANK CREWMAN  
[TK CREWMAN]

As a crew member of a tank team, performs various duties such as driving, radio tending, weapons firing and maintenance, and tank inspection and minor maintenance.

994 - ARMORED AMPHIBIAN TRACTOR CREWMAN   
[ARMORED AMPHTRAC CREWMAN]

As a member of the crew of an armored amphibian tractor used in amphibious and assault missions, performs one or more duties such as driving, radio tending, weapons firing and maintenance, vehicle inspection and minor maintenance.

997 - AMPHIBIAN TRACTOR CREWMAN
[AMPHTRAC CREWMAN]

As a member of the crew of an amphibian tractor used in transporting troops and supplies, performs one or more duties such as driving, radio tending, weapons firing and maintenance, or vehicle inspection and minor maintenance.