Things which must be shipped together as a set, arent. Things that must work together cant be carried to the field that way. Radios will fail as soon as you need fire support. Anything you do can get you killed, including nothing. Make it too tough for the enemy to get in, and you wont be able to get out.
Tracers work both ways.
If you take more than your fair share of objectives, you will get more than your fair share of objectives to take. When both sides are convinced they are about to lose, they are both right. Military intelligence is a contridiction. Weather is not neutral. If you can not remember, the Claymore is pointed towards you.