Tank Support             +1,+2,+3, or +4
Reg Support/Ambush       +1           
Eng Support              +1 (against Dug In/Fortified)
Air Attk vs Horse/Motz   +1
Surprise Attack  - - - Per Surprise Attack Table
Swamp  - - - - - - - - All Attackers in swamp halved
Artillery Direct Fire- Barrage strength doubled
Rough/Village/
  Dug-In/Fortified - - Artillery halved (except heavy)
Supply U-1 - - - - - - Artillery - direct fire only
Supply U-2 - - - - - - Attack strength halved
                         Artillery= direct fire only
Supply U-3 - - - - - - Attk strength= 1, tank suprt halved,
                         no artillery fire
Supply U-4 - - - - - - No attk strength, no tank support,
                         no artillery, no attacks required
Tired and Exhausted  - Attack strength halved
Poor Visibility  - - - Artillery barrage strength halved
Zero Visibility  - - - Artly barrage halved, adj hexes only