Organization
Please click below for additional information about S&TS and its directorates.
Strategic and Tactical Systems (S&TS)

Deputy Assistant
ABOUT (S&TS)
Secretary of Defense
Mr. David G. Ahern
Principal Director, S&TS
ABOUT (S&TS)
Director, Acquisition and
Program Management
Ms. Darlene J. Costello
Air
Warfare
(AW)Acting Deputy
ABOUT AW
Director
Mr. Ronald
Woods
Land Warfare & Munitions (LW&M)
Deputy
ABOUT LW&M
Director
Mr. Jose
Gonzalez
Naval
Warfare
(NW)Deputy
ABOUT NW
Director
Mr. John J.
Evans
Strategic Warfare
(SW)Deputy
ABOUT SW
Director
Mr. Gregory D. Hulcher
Treaty Compliance & Homeland Defense
(TC&HD)Director
ABOUT TC&HD
Mr. Thomas Troyano
Unmanned Warfare & Intelligence, Surveillance, and Reconnaissance
Director
ABOUT UW&ISR
Mr. Dyke D. Weatherington