 He was equally determined about other cost-saving measures.Due to the nuclear arms race, the Vietnam War buildup and other projects, Total Obligational Authority (TOA) increased greatly during the McNamara years.Fiscal year TOA increased from $48.4 billion in 1962 (equal to $ billion in ) to $49.5 ($) billion in 1965 (before the major Vietnam increases) to $74.9 ($) billion in 1968, McNamara's last year in office (though he left office in February).