ARLINGTON, Va.--(BUSINESS WIRE)--CACI International Inc (NYSE:CACI) announced today that it has acquired LTC Engineering Associates, Inc., a highly specialized provider of technical engineering solutions and services to the Intelligence and Department of Defense communities in the areas of software engineering, cybersecurity, signals intelligence (SIGINT) and communications intelligence (COMINT), and digital signals processing. The transaction expands CACI’s capabilities in its C4ISR (command,