Of course you can.
Commissar + Junior Officer w/Honourifica Imperialis + Master-Vox + Voxes all over the place = LD 10 for every unit that can cary a Voxcaster for +/- 200 points.
Benconnor Independent Commando
Lesson for the Month: Hug cover until the Armour arrives. If you don't have Armour, take that objective and hold it.