Well, everything is possible but its a question of time, money and resources.
Now in ARMA 2 you have land air sea units together on limited space with a simplified modeling of control systems. Maybe later in time BIS will improve the abilities of their engine and improve all these aspects the ARMA 2 is missing.
In operation arrowhead they plan to simulate countermeasure system and radar systems, FLIR and other things. you can watch it in this video.