1. Pillage, then burn.
2. A Sergeant in motion outranks a Lieutenant who doesn't know what's going on.
3. An ordnance technician at a dead run outranks everybody.
4. Close air support covers a multitude of sins.
5. Close air support and friendly fire should be easier to tell apart.
6. If violence wasn’t your last resort, you failed to resort to enough of it.
7. If the food is good enough, the grunts will stop complaining about the incoming fire.
8. Mockery and derision have their place. Usually, it's on the far side of the airlock.
9. Never turn your back on an enemy.
10. Sometimes the only way out is through. . . through the hull.
11. Everything is air-droppable at least once.
12. A soft answer turneth away wrath. Once wrath is looking the other way, shoot it in the head.
13. Do unto others.
14. "Mad Science" means never stopping to ask "what's the worst thing that could happen?"
15. Only you can prevent friendly fire.
16. Your name is in the mouth of others: be sure it has teeth.
17. The longer everything goes according to plan, the bigger the impending disaster.
18. If the officers are leading from in front, watch out for an attack from the rear.
19. The world is richer when you turn enemies into friends, but that's not the same as you being richer.
20. If you're not willing to shell your own position, you're not willing to win

Top 20 from the Seventy Maxims Of Maximally Effective Mercenaries