Got another couple for you.
Prepared Positions.
Level 1.
Your infantry is well dug in, they have considered the terrain and taken full advantage of it. 1 Unit of infantry may re-roll all shooting 1's (you can't re-rell re-rolls) for the game.
You must have a Forward Operations Base under your control.
Discard after use.
Feilds of Fire.
Level 2.
Your infantry have had time to prepare, Firezones have been setu and carefully considered and marked. All units of infantry can re-roll 1's generated in shooting attacks (you can't re-roll re-rolls) for the game.
You must have a Defensive base and FOB under your control.
Discard after use.
Wall of lead.
Level 3.
Your infantry and dug in and waiting for your oppoents to arrive. Multipul fire zones have been mapped out, ammunition has been stock piled, your troops know the ground like the back of their hands. All infantry units may re-roll any shooting dice they wish for the game (you may not re-roll re-rolls).
You must have Difficult Terrain, DB and FOB under your control.
Discard after use.