A. J. Goodpaster, Memorandum for Record (Dwight D. Eisenhower Library: Abilene, Kans., June 2, 1960).
121
Brugioni,
122
Johnson, 'Development of the Lockheed SR-71 Blackbird,' 3, 8.
123
Johnson and Smith,
124
McIninch, 'The Oxcart Story,' 28.
125
Johnson and Smith,
126
A-12/SR-71 Lecture, San Diego Aerospace Museum, June 14, 1991.
127
Richard P. Hallion,
128
A-12/SR-71 Lecture, San Diego Aerospace Museum, June 14, 1991.
129
Johnson, 'Development of the Lockheed SR-71 Blackbird,' 3.
130
McIninch, 'The Oxcart Story,' 27, 29.
131
William H. Brown, 'J58/SR-71 Propulsion Integration or The Great Adventure into the Technical
132
Clarence L. Johnson, 'Some Development Aspects of the YF-12A Interceptor Aircraft,' AIAA Paper No. 69- 757 (July 14–16, 1969): 7.
133
McIninch, 'The Oxcart Story,' 29–31.
134
Johnson, 'Some Development Aspects of the YF-12A Inteceptor Aircraft,' 5.
135
A-12/SR-71 Lecture, San Diego Aerospace Museum, June 14, 1991.
