Land is always applicable, Navy is only applicable when an attack on the coast is made. Air attacks must be plausible, if you have no air bases in the region you can't use it. * Large aerial assault capability +3.5 * Large naval assault capability + 3.5 * Large land assault capability +3.5 * Medium aerial assault capability +3 (if enemy has no aerial power) +2 (if the enemy has aerial power) * Medium naval assault capability +3 (if the enemy has no naval power) +2 (if the enemy has their navy stationed in or around the location) * Medium land capability +3 (if three or more times larger than enemy) +2 (if less than three times larger than enemy) * Small aerial/naval/land capability: +1 * Land, aerial, and naval is compounded. If you have large naval, medium ai