You can tell them to Fire, Hold, Go To, and Regroup. So I don't know what's missing.
Options I would like include (off the top of my head):
Breach and clear. Those missions where you have to clear the enemy radio stations are annoying as you end up going blind and solo into a room full of enemies. Would be nice if they would blow a door and then go in themselves (whilst you go in another entrance)
The ability to split your squad - you two go over there and do this, you follow me whilst we do that
The ability to spread your squad - too often they are all bunched up and its easy to get outflanked, or not have the ability to take out enemies hiding behind cover
Different tactical options - you covering fire, you charge the target
Ability to drive vehicles to a location, so *I* can fire the guns for once.
Also, your 3 squad members are completely generic and forgettable. It would be nice if they had different roles - one is a MG gunner, one is an explosives guy, one is your QCB guy. Something to at least distinguish them and make them memorable.