|The following is based on content cut from Command & Conquer and has not been confirmed by canon sources.|
They could be upgraded with Hollow Point Ammo, increasing their anti-infantry damage. They could also be upgraded with the ability to entrench, increasing the unit's attack range and armour but preventing them from moving.
Fixes unit in place but increases attack range and armor, has to be upgraded.
Increases armor of all infantry.
Increases damage of all infantry.
Hollow Point ammo
Increases damage dealt to enemy infantry.