What does ATCA stand for?

What does ATCA mean?

ATCA	Alien Tort Claims Act Community » Law
ATCA	ADVANCED Telecommunications COMPUTING ARCHITECTURE Computing » General
ATCA	Air Traffic Control Association Governmental » Transportation
ATCA	Advanced Telecom Computing Architecture Miscellaneous » Unclassified
ATCA	Australia Telescope Compact Array Miscellaneous » Unclassified
ATCA	Advanced Telecomm Computing Architechture Miscellaneous » Unclassified
ATCA	Alaska Tobacco Control Alliance Regional » Alaska
ATCA	Allied Tactical Communications Agency Governmental » Military