This pack contains the AH64.pbo and missions_ew.pbo + their bisigns, which might have gone missing if you accidentally used a beta uninstaller that came with one of the latest beta patches. Simply re-add them to your Arma2/Addons folder and you're good to go!
Register a tag, browse for addon keys...
Need sound effects for your mission? Find them here...
Tired of the default faces? Get a new one!