4-76. At the joint level, cyberspace operations are operational missions accomplished by the commander, USCYBERCOM. The USCYBERCOM commander provides the command and control and situational awareness required to operate and defend the DODIN. ARCYBER, as the ASCC for USCYBERCOM, extends the command and control of the network through its operational control relationship with each regional cyber center and through the Army orders process to each of the signal commands (theater).