 The new Secretary did not change the management system McNamara had installed at The Pentagon, and for the most part assigned internal administration to Deputy Secretary of Defense Paul H. Nitze.Clifford made no effort to depart from McNamara's policies and programs on such matters as nuclear strategy, NATO, and military assistance, but he favored the Sentinel anti-ballistic missile system, to which McNamara had given only lukewarm backing.Clifford wanted to deploy the system, and supported congressional appropriations for it.