5-30. The intelligence staff leads the rest of the staff in a careful analysis of the terrain, including ground and air avenues of approach, and other significant factors of the operational environment. Then the staff identifies a broad range of enemy COAs with emphasis on the enemy's most likely and most dangerous COAs in the war-gaming portion of the MDMP. Because of the inherent vulnerability of friendly forces during a movement to contact, the intelligence staff must not underestimate the enemy and complexities of the mission. Predictions of enemy COAs should be thorough; at a minimum, they should account for enemy maneuver units (two echelons below) and all key enemy capabilities and enablers. A thorough IPB and war- gaming effort indicates areas where contact with the enemy is likely, as well as friendly and enemy vulnerabilities by phase of the operation. The intelligence staff leads the rest of the staff in determining-