 Not until FY 1984 did DoD's total obligational authority surpass that of FY 1968 in constant dollars.One major hallmark of McNamara's cost reductions was the consolidation of programs from different services, most visibly in aircraft acquisition, believing that the redundancy created waste and unnecessary spending.McNamara directed the Air Force to adopt the Navy's F-4 Phantom and A-7 Corsair combat aircraft, a consolidation that was quite successful.