Spartan Battle Manual

 is one of the fictional publications quoted in the game.

Fragments
"Information, the first principle of warfare, must form the foundation of all your efforts. Know, of course, thine enemy. But in knowing him do not forget above all to know thyself. The commander who embraces this totality of battle shall win even with the inferior force.

[...]

''Air Power rests at the apex of the first triad of victory, for it combines Mobility, Flexibility, and Initiative.

[...]

''Superior training and superior weaponry have, when taken together, a geometric effect on overall military strength. Well-trained, well-equipped troops can stand up to many more times their lesser brethren than linear arithmetic would seem to indicate.

[...]

''Against such abominations, we organize our defenses on the principle that one strong and able mind can shield the many."