Put two BLUFOR groups in visual contact but over 800m away from each other (e.g. on ridges) each with their own set of nearby enemies to worry about.
Group leaders will at times order men to not only target but actually engage enemies on the other ridge.
More details of the actual mission:
Send an infantry platoon in vehicles from Airbase E along the road through Agia
Marina & firing range, towards the eventual objective at Camp Rogain.
They will encounter some enemies patrolling in the woods at 042058.
At the same time airlift three squads in ghosthawks the N flank of the hill with comms station (035051), where a couple of enemy squads defend the summit.
You can sometimes observe the behaviour when playing as team member in either the mounted platoon or in the air assault group:
Group leader can order a squad member to engage an enemy on the other ridge, 700-800 m away.