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​Major Jessia J. Ryu
Military Faculty Advisor​​​
Expeditionary Warfare School, 2077 Geiger Rd., Quantico, VA 22134 Phone: 703-432-0143 Email:
EWS | Major Jessica Ryu
​   Originally from North Carolina, Major Jessica Ryu received her commission in the Marine Corps through the Naval Reserve Officers Training Corps at the University of Michigan in 2002, and attended The Basic School with Bravo Company. After being selected for signals intelligence, Maj Ryu attended the Tactical Cryptologic Communications Course and the Naval Cryptologic Officer Basic Course. Upon graduation, Maj Ryu was assigned to 2d Radio Battalion, where she served as a Platoon Commander, Watch Officer, Collection Manager and Company Commander between January 2004 and July 2007. During this tour, Maj Ryu deployed twice in support of Operation Iraqi Freedom.


   After being selected for the Junior Officer Career Cryptologic Program, Maj Ryu was assigned to Company B, Marine Cryptologic Support Battalion and completed an internship with the National Security Agency from August 2007 to July 2010. She deployed to Afghanistan in 2009 as the Real-Time Regional Gateway officer-in-charge, providing support to in-theater signals intelligence analysts.


   From July 2010 to June 2013, Maj Ryu was assigned to 1st Radio Battalion, where she served as the Battalion Training Officer, Charlie Company Commander and Headquarters and Service Company Commander. While assigned to 1st Radio Battalion, Maj Ryu completed the MAGTF Intelligence Officers Course, where she was the distinguished graduate. She deployed to Afghanistan with Charlie Company from December 2011 to August 2012.  


   While stationed in Fort Leavenworth, Kansas Major Ryu attended Command and General Staff College.

Areas of Interest:

  • Korean War
  • Emerging Technologies
  • Electronic Warfare
  • Triathlons