In a few moments you will be automatically forwarded to:

Albert Wohlstetter, Letter to Michael Howard (1968), excerpted from On the Genesis of Nuclear Strategy, unpublished, expanded version of Wohlstetter’s unpublished November 6, 1968, letter to Michael Howard, with additional materials and commentary by James Digby and Arthur Steiner, and a note by Michael Howard, revised circa April 1986, available from the Hoover Institution Archives, Albert and Roberta Wohlstetter Papers, Writings, Box 187, Folder 22. Courtesy of the Wohlstetter Estate, the Digby Estate, and Arthur Steiner.
The PDF is nearly 3 megabytes, so give it a little time to load in your browser.