A soldier is given a great many orders that fall into the first category I discussed, maintaining military bearing. These orders range from keeping in step and swinging your arms in formation, to not moving while talking on your phone. All of these orders have reasoning behind them that has applications on the battlefield. For instance, if you are keeping in step and swinging your arms in formation, then you are paying attention to the cadence that is being given, so if you get a command by whoever is marching you, you are already paying attention and can react quickly. This can be the difference between life and death in a combat zone. The same thing can be said about talking on the phone while walking around. You need to not have any distractions when you are patrolling an area. If you are not alert, you could get yourself killed by an IED, or worse you could get others killed. So while these orders may not seem to have all that much importance in the here and now, they actually have a great deal of importance in that they train you in how you need to behave while deployed, so they should be followed with just as much care as any other order.
Another type of order that is given is an order that is designed directly to protect you or those around you. Every time you are