See United States Secretary of Defense for a description of the office and a chronological list of the secretaries.
Wikimedia Commons has media related to Secretaries of Defense of the United States.
Subcategories
This category has the following 3 subcategories, out of 3 total.
C
R
Pages in category "United States secretaries of defense"
The following 34 pages are in this category, out of 34 total. This list may not reflect recent changes.