Colonel Mark S. Jones

Commander, 517th Training Group

Colonel Mark S. Jones currently serves as the Assistant Commandant, Defense Language Institute Foreign Language Center and the Commander, 517th Training Group, Presidio of Monterey, California. In this capacity, Colonel Jones directs language training for 34,000 Department of Defense personnel annually in 89 languages at 29 sites worldwide. He also oversees 1,800 faculty members and 250 joint-service staff providing language training, proficiency testing, and curriculum to train successful linguists. As the 517th Training Group Commander, Colonel Jones leads two Air Force squadrons composed of 1,200 Airmen, the majority of whom are Air Force Cryptologic Linguist trainees.

Col Jones was commissioned through the United States Air Force Reserve Officer Training Corps at Sacramento State University, California in 1998. Following Intelligence Officer School, he has held leadership positions in a variety of intelligence roles within fighter squadrons, intelligence squadrons, and Air Operations Centers. Col Jones has participated in Operations NORTHERN WATCH, JOINT FORGE, JOINT GUARD, ENDURING FREEDOM, IRAQI FREEDOM, FREEDOM’S SENTINEL, and INHERENT RESOLVE. He has commanded at the flight and squadron level. Col Jones is also cross-trained as an Air Force Foreign Area Officer for the Middle East, executing policy development and security cooperation efforts at U.S. Central Command and the Joint Staff. Prior to his current position, Col Jones served as the Chief, Intelligence, Surveillance and Reconnaissance Operations and Analysis Division, Headquarters Pacific Air Forces (PACAF), Joint Base Pearl Harbor-Hickam, Hawaii.


1998 Bachelor of Arts, History, University of California at Davis, CA
2004 Squadron Officer School, Maxwell Air Force Base, AL
2006 Master of Arts in International Relations, University of Oklahoma, Norman, OK
2008 Air Command and Staff College (non-residence)
2009 Master of Arts, Regional Security Studies, Naval Postgraduate School, Monterey, CA
2010 Defense Language Institute, Modern Standard Arabic, Monterey, CA
2015 Air War College (non-residence)
2018 Joint Professional Military Education II, Joint Warfighting School, Norfolk, VA


1. June 1998 – April 1999, Assistant Regional Director of Admissions, Sacramento State University, AFROTC Detachment 88, Sacramento, CA
2. April 1999 – December 1999, Student, USAF Intelligence Officer School, Goodfellow AFB, TX
3. December 1999 – June 2001, Chief, Target Intelligence, 31st Operations Support Squadron, Aviano Air Base, Italy
4. June 2001 – December 2002, Chief, Intelligence, 510th Fighter Squadron, Aviano AB, Italy
5. January 2003 – December 2003, Chief, Current Operations, 303d Intelligence Squadron, Osan AB, Republic of Korea
6. January 2004 – February 2006, Flight Commander, 32d Air Intelligence Squadron, Ramstein AB, Germany
7. February 2006 – September 2008, Chief, ISR Operations and Planning, U.S. Northern Command/North American Aerospace Defense Command, Peterson AFB, CO
8. September 2008 – September 2009, Student, U.S. Naval Postgraduate School, Monterey, CA
9. October 2009 – November 2010, Student, Defense Language Institute, Monterey, CA
10. December 2010 – April 2012, Desk Officer for Lebanon/Syria, U.S. Central Command, MacDill AFB, FL
11. April 2012 – May 2013, Desk Officer for Jordan/Syria, U.S. Central Command, MacDill AFB, FL
12. May 2013 – June 2014, Executive Officer to Director, Strategy, Plans and Policy (J5), U.S. Central Command, MacDill AFB, FL
13. June 2014 – June 2016, Commander, 402d Intelligence Squadron, and Deputy Chief of Operations, European Cryptologic Center, Darmstadt, Germany
14. July 2016 – July 2017, Deputy Director, Directorate of Intelligence (A2), U.S. Air Force Central Command, Al Udeid AB, Qatar
15. July 2017 – July 2019, Iraq/Syria Branch Chief, Joint Staff (J5), Pentagon, Washington, D.C.
16. July 2019 – June 2020, Deputy Director for Intelligence, National Military Command Center, Pentagon, Washington, D.C.
17. July 2020 – August 2022, Chief, ISR Division, 613th Air Operations Center, Joint Base Pearl Harbor-Hickam, HI
18. August 2022 – June 2023, Chief, ISR Operations and Analysis Division, Directorate of Intelligence (A2), Pacific Air Forces, Joint Base Pearl Harbor-Hickam, HI
19. June 2023 – Present, Assistant Commandant, Defense Language Institute Foreign Language Center and Commander, 517th Training Group, Presidio of Monterey, CA


Defense Meritorious Service Medal with 4 oak leaf clusters
Meritorious Service Medal with 2 oak leaf clusters
Joint Service Commendation Medal
Air Force Commendation Medal with two oak leaf clusters
Joint Service Achievement Medal
Air Force Achievement Medal with two oak leaf clusters


Second Lieutenant June 15, 1998
First Lieutenant June 15, 2000
Captain June 15, 2002
Major May 1, 2008
Lieutenant Colonel September 1, 2013
Colonel October 1, 2019



image-20230626101724-4.jpegChief Master Sergeant Jason S. Brown

Superintendent, 517th Training Group

Chief Master Sergeant Jason S. Brown is the Senior Enlisted Leader of the 517th Training Group, Presidio of Monterey, Monterey, California. He is the senior enlisted leader for 150 staff executing language training for 1,400 students who will provide cryptologic language support to national level agencies and combatant commanders. Additionally, CMSgt Brown serves as an advisor to the Commander on all matters influencing military readiness, mission effectiveness, and utilization. He oversees enlisted force development of all Airmen on the installation and manages groupwide manpower, resources, plans, and policy.

Chief Brown entered the Air Force in August of 1998. He has held a number of positions in both the Ground and Airborne Cryptologic Language Analyst career fields. His operational experience includes Operations IRAQI FREEDOM, NEW DAWN, ODYSSEY DAWN, UNIFIED PROTECTOR, INHERENT RESOLVE, and FREEDOM’S SENTINEL. He is a Chief Enlisted Aircrew member with more than 2,250 hours on the AC-130H/U/W, MC-130H/J/P, and CV-22 platforms. Prior to assuming his current position he served as the Senior Enlisted Leader of the 8th Operations Group headquartered at Kunsan Air Base, Republic of Korea.

2002 Airman Leadership School, Ft Meade, MD.
2008 Airborne Instructor Training Course, Hurlburt Field, FL.
2009 Noncommissioned Officer Academy, Tyndall Air Force Base (AFB), FL.
2012 USAF Senior Noncommissioned Officer Academy, Maxwell AFB, AL., by correspondence
2013 Associate of Applied Arts, Intelligence Analysis, Community College of the Air Force
2014 Senior Enlisted Joint Professional Military Education, National Defense University, Washington, D.C.
2018 Joint Special Operations Forces Senior Enlisted Academy, MacDill AFB, FL
2020 USAF Chief Leadership Course, Maxwell AFB, AL
2021 USAF Group Superintendent Course, Maxwell AFB, AL


1. August 1998 – October 1998, Trainee, Basic Military Training, 324 Training Squadron (TRS), Lackland AFB, TX
2. October 1998 – October 2000, Student, Defense Language Institute, 311 TRS, Presidio of Monterey, CA
3. November 2000 – February 2001, Student, Crytologic Language Analyst, 316 TRS, Goodfellow AFB, TX
4. March 2001 – October 2006, Cryptologic Language Analyst, 22 Intelligence Squadron, Ft Meade, MD.
5. November 2006 – August 2010, Direct Support Operator, 25 IS, Hurlburt Field, FL.
6. September 2010 – July 2013, AFSOC Group Stan/Eval, Det 2, 25 IS, Royal Air Force Mildenhall, United Kingdom
7. August 2013 – October 2015, Superintendent DSO/TSO FTU, 361 ISRG OL-H, Hurlburt Field, FL.
8. November 2015 – June 2017, HQ AFSOC Stan/Eval, 361 ISRG, Hurlburt Field, FL.
9. July 2017 – June 2020, Superintendent, Detachment 1, 43 IS, Kadena AB, Japan
10. July 2020 – June 2022 Group Senior Enlisted Leader, 361 ISR Group, Hurlburt Field, FL
11. July 2022 – June 2023 Group Senior Enlisted Leader, 8 Operations Group, Kunsan AB, South Korea
12. June 2023 – Present Group Senior Enlisted Leader, 517 Training Group, Presidio of Monterey, CA


Meritorious Service Medal with four bronze oak leaf clusters
Air Medal with silver oak leaf cluster and three bronze oak leaf clusters
Joint Service Commendation Medal
Air and Space Commendation Medal with bronze oak leaf cluster
Air and Space Achievement Medal



Chief Master Sergeant Aug 1, 2020
(Current as of June 2023)