Level 1
Military Intelligence: -6% success chance of enemy agent actions
Counter Intelligence: +10% chance of discovering hidden agents and armies
+1 cunning
Level 2
Military Intelligence: -12% success chance of enemy agent actions
Counter Intelligence: +20% chance of discovering hidden agents and armies
+2 cunning
Level 3
Military Intelligence: -18% success chance of enemy agent actions
Counter Intelligence: +30% chance of discovering hidden agents and armies
+3 cunning