CACI International Inc. will open its 8,000-square-foot research office at Port San Antonio on Sept. 20. Arlington, Virginia-based CACI (NYSE: CACI) will use this facility to conduct research and development of full-spectrum cybersecurity and cyberspace systems with the U.S. Air Force and other government customers. The company currently employs about 296 employees in the San Antonio area. “Port San Antonio is building an ecosystem of really good companies in the cybersecurity industry.