Deputy Director of the National Security Agency
The Deputy Director of the National Security Agency is the highest-ranking civilian within the National Security Agency (NSA) and the Central Security Service (CSS). The Deputy Director reports to the Director of the NSA and is required to be a technically experienced civilian.
The current deputy director is Mr. John C. (Chris) Inglis.
NSA deputy directors 
Deputy directors of AFSA 
The Armed Forces Security Agency (AFSA) was the predecessor to the NSA.
|1*||S. P. Collins, USA
Joseph Wenger, USN
Roy H. Lynn, USAF
|Nov. 1950-Apr. 1951|
|2||Travis Hetherington, USAF||1951-1952|
*From November 1950 to April 1951, there was a Deputy Director for each service.
Deputy directors of NSA 
|3||John A. Samford||June 1956|
|4||Joseph H. Ream||1956-1957|
|5||H. T. Engstrom||1957-1958|
|6||Louis W. Tordella||1958-1974|
|7||Benson K. Buffham||1974–1978|
|8||Robert E. Drake||1978–1980|
|9||Ann Z. Caracristi||1980–1982|
|10||Robert E. Rich||1982–1986|
|11||Charles R. Lord||1986–1988|
|12||Gerald R. Young||1988–1990|
|13||Robert L. Prestel||1990–1994|
|14||William P. Crowell||1994–1997|
|15||Barbara A. McNamara||1997–2000|
|16||William B. Black, Jr.||2000–2006|
|17||John C. (Chris) Inglis||2006–present|