M'NAMARA LEANS TO NEW DEFENSE AGAINST BOMBERS; $4-Billion Airborne Radar and Plane System Would Aim at Soviet Threat MAJOR SAVING EXPECTED Plan, Which Follows Call for Antimissile Net, Would Cut Annual Cost $500-Million M'NAMARA LEANS TO NEW DEFENSE
Defense Dept repts Sec McNamara favors replacing present system involving hundreds of fighters and ground-based radar with $4-billion system combining constantly airborne radar picket planes and fighter-interceptor versions of A-11 reconnaissance plane or F-111; new system would save about $500-million a yr in operating costs