Offensive.
Defensive.
(a) Temporary.
(b) Passive defense.

Combat Principles:
Fire superiority.
Unity of command.
Simple and direct plans and methods.
All troops necessary to mission must be assigned at beginning.
Detachments justifiable only when they can contribute directly to
success of main battle.
Some reserves must be kept.
Flank protection and reconnaissance.

Fire Superiority:
Must be gained early and maintained.

Frontage of Units:
Depth in formation for combat rather than extension of line.

Reserves:

Fresh troops must be on hand to

(1) Give fire line impetus.
(2) To penetrate enemy lines.
(3) To fill gaps and help reorganization.
(4) To meet counter attacks.