Columbia subject headings:
Adolph, Charles E., 1935---Interviews.
Aeronautical engineers--United States--Interviews.
Airplanes, Military--United States--Flight testing--History.
Harvard subject headings:
Adolph, Charles E., 1935---Interviews.
Airplanes, Military--United States--Flight testing--History.
United States. Air Force--Weapons systems--Testing--History.
Princeton subject headings:
Adolph, Charles E., 1935---Interviews.
Aeronautical engineers--United States--Interviews.
Airplanes, Military--United States--Flight testing--History.
Interviews.