Most of the mission packs for original IF need converting to IFA3. Some suitable candidates for CIA, could be the pack of 3 by Phantom Six and another large pack by Stagler. Both hosted on the Iron Front Mission Repository.
http://www.missionrepository.com/mission-packs-9-88
Other already converted or purpose built IFA3 missions are to be found at:
http://www.missionrepository.com/workshop-missions-26
http://www.missionrepository.com/mission-packs-9-88
Other already converted or purpose built IFA3 missions are to be found at:
http://www.missionrepository.com/workshop-missions-26
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