This new addon pack contains the following:
Vehicles - Leopard1A4, M113A1
Weapons - G3A3, G3A4, G3A3_Scope, MG3, MG3_Static
Units - HWM Greek Units
Manual - Complete features manual and Disclaimer

HAC Site : http://arma.unreal.gr/index.php

HWM site : http://ofp.gamepark.cz/_hosted/mmstudios/news.php