NEW DELHI: The government has cleared the proposal for a nearly Rs 8,000-crore project for IAF 's Integrated Air Command and Control System ( IACCS ), which aims at integrating all ground and air sensors.Defence sources said the Cabinet Committee on Security, which met here yesterday, cleared the proposal that was sanctioned by the Defence Acquisition Council in November last.Once the system is in place, the air headquarters will get a composite air situation picture since it will be integrating Air Force, Army, Naval and civilian radars.The IAF currently has five sector headquarters (nodes) of communication and the plan is to have four more, besides establishment of 10 sub-nodes and up-gradation of the entire system.As part of this, the new command and control system will be set up and integrated with the existing ground and air sensors and air defence systems.