I seem to have trouble beating the very first (training) mission of the campaign. The last mission objective is to destroy the enemy convoy entering the map from the east, however, as soon as I destroy any of the trucks, the mission immediately fails. The mission also fails on its own very soon after the trucks reach the middle point on the map. The mission briefing says something about identifying trucks with ammo cargo, however, every truck is identical in both name and appearance. What the heck am I supposed to do here? Is the mission simply bugged?
Has anyone played this mission in a long time? Perhaps it broke with some update to MW:O? I'm running the latest version 484.