Version 1.5.0 of ME with new feature pointed by Fullofit from this thread:
http://SimHQ.com/forum/ubbthreads.php/topics/4395184/re-wish-list-for-woff#Post4395184
The skies over flanders fields now become more unpredictable and unfriendly - now you can expect ambush at mission start. duckhunter
Included in this version also some stability fixes.
Download here
Enjoy.