The 673rd Mission Support Group (673 MSG) is a unit of the Pacific Air Forces (PACAF), which is part of the United States Air Force (USAF). This particular group, headquartered at Joint Base Pearl Harbor-Hickam in Hawaii, is primarily responsible for providing mission support services to enable the effective and efficient operation of assigned units within the PACAF. These services typically include areas such as logistics management, civil engineering, communications, security forces, and force support. The 673 MSG plays a crucial role in ensuring the readiness and support of PACAF's mission, contributing to the overall defense and security of the Indo-Pacific region.