CACI International Inc. announced that it won a five-year, single-award task order valued at up to $198 million to provide expertise to the U.S. Army Combat Capabilities Development Command (DEVCOM), Command, Control, Computers, Communications, Cyber, Intelligence, Surveillance, and Research (C5ISR) Center. C5ISR Center leads the Army's cryptographic modernization, information security, and tactical network protection programs. Under this award, the company will enhance existing and future Army cyber defense capabilities for C5ISR systems by designing, and rapidly fielding solutions to defeat emerging threats to both tactical edge and enterprise systems.