My players are more normally fantasy gamers, so they've very little interest in, or need for, a rigid command structure. One of the guys tried playing as a hard line officer, but sadly made a number of poor decisions - players fault, not the characters
The rest of the party obeyed him when they felt it was safe to, and lets just say no one rushed to save him after he was badly wounded. If truth be told one of the other party members finished him off, but never told the others