Since you can figure on going into battle roughly once every subjective year, and since an average of 34 percent survive each battle, it’s easy to compute your chances of being able to fight it out for ten years. It comes to about two one-thousandths of one percent. Or, to put it another way, get an old-fashioned six-shooter and play Russian Roulette with four of the six chambers loaded. If you can do it ten times in a row without decorating the opposite wall, congratulations! You’re a civilian.
This book is bleak. Take "Old Man's War" and strip almost all the humor from it and this is what you might get...