The First Information Operations Command Command and Control Systems Installation Branch (FIOC CSIB), under the United States Army, is a specialized unit responsible for planning, coordinating, and executing the installation, maintenance, and modernization of information systems used by various military commands. Its mission is to ensure the reliable and secure communication networks necessary for effective command and control operations. The FIOC CSIB operates in conjunction with other branches of the First Information Operations Command, which oversees the U.S. Army’s information operations, including electronic warfare, psychological operations, military deception, and network warfare.