used as support for squad/team to move forward
used to defend objectives
usually on the ass end of a patrol
carries a fuck tonne of ammo
carries a damn heavy gun for long periods of time
needs to be able to sprint and keep up with his squad/team
Squad Automatic Weapon is a support weapon, it can be used on the assault alone(i've seen it done) but in a squad/team role it is purely support you are tasked with constant fire at the enemy to suppress them. not much more.
"You know what the chain of command is? It's the chain I go get and beat you with 'til ya understand who's in ruttin' command here."