If you have a problem with an I44 mission, you are at the wrong place I'am not a member of invasion44 team ^^.
Go there for more informations:
http://forums.bistudio.com/showthread.php?131613-Invasion-1944-v2-6-(CO)/page28
CallDrop works better. Wreck markers removed. Added nato markers on vehicules, include bonus vehicles. There will be another release of both versions soon.