CACI International Inc is a simulation technology company. The Company provides information solutions and services. The Company operates through two segments: domestic operations and international operations. The Company's domestic operations segment provides information solutions and services to its domestic customers in market areas, which include business systems; command and control; communications; cyber security, and enterprise information technology. Its international operations are conducted through its subsidiaries in Europe, including CACI Limited and CACI BV. Its international operations segment provides information technology (IT) services, and data and software products. It also offers technology and solutions that support multi-domain intelligence, surveillance, and reconnaissance (ISR), unmanned aircraft system (UAS), air defense, and counter-unmanned aircraft system (c-UAS) operations.