Major David Tran graduated from the University of California, Riverside and was commissioned a Second Lieutenant in 2005 through the Platoon Leaders Class.
Upon completion of The Basic School and Combat Engineer Officers Course, Second Lieutenant Tran reported to Marine Wing Support Squadron 372 at Camp Pendleton, California in February 2006 where he was assigned as Engineer Platoon Commander, Engineer Operations Company. In February 2007, First Lieutenant Tran attended Weapons and Tactics Instructor (WTI) course in Yuma, Arizona and finished as the Aviation Ground Support honor graduate earning the additional MOS of 7077 Weapons and Tactics Instructor. Upon completion of WTI, First Lieutenant Tran attached to First Battalion, First Marine Regiment, First Marine Division and deployed as the combat engineer platoon commander with 1/1, Task Force Chromite to Habbaniyah, Iraq in support of Operation Iraqi Freedom 6-08 under Regimental Combat Team 6. In February 2008, he returned to MWSS-372 and assumed the duties as Squadron Assistant Operations Officer and Operations Officer.
In February 2009, he was promoted to Captain and reported to Combat Assault Battalion, 3d Marine Division at Camp Schwab, Okinawa, Japan where he immediately deployed as an individual augment to Marine Corps Forces Central Command (Forward). He was sent to Baghdad, Iraq in support of Operation Iraqi Freedom. After returning to Okinawa, Captain Tran took command of Combat Engineer Company (CEC), Combat Assault Battalion, 3d Marine Division. CEC deployed to Camp Leatherneck ISO Operation Enduring Freedom from 2010 to 2011. In 2011, Captain Tran was temporarily assigned to the Combined-Joint Civil Military Operations Task Force – Philippines and served as the operations officer overseeing operations and bilateral exercises for a joint force of over 800 personnel.
In 2011, Captain Tran was selected to attend resident Expeditionary Warfare School in Quantico, Virginia and received the 1stLt Harry L. Martin Award as the engineer honor graduate. While at EWS, he attended Tactical MAGTF Integration Course at Marine Corps Tactics and Operations Group and gained the additional MOS of 0577 Operations and Tactics Instructor. After EWS, he was assigned to Combat Logistics Regiment 17, 1st Marine Logistics Group in Camp Pendleton, California where he immediately deployed to Camp Leatherneck ISO Operation Enduring Freedom from 2012 to 2013 as the 1st MLG (Fwd) Engineer Officer. Upon returning to CLR-17, Captain Tran served as the Future Operations and Plans Officer, and S-4 Officer before he was transferred to 7th Engineer Support Battalion where he took command of Company A. After 17 months, Captain Tran relinquished command of Alpha Company and assumed duties as the Battalion Operations Officer.
In 2014, he was selected for Advanced Degree Program and received admission to the School of Engineering at the University of California, Los Angeles. He was promoted to his current rank and began graduate school in 2015. After one year, he was awarded a Master of Science in Civil Engineering and gained an additional MOS of 8831 Environmental Engineer Officer. After graduate studies, he was assigned as the Environmental Director for Marine Air Ground Task Force Training Command, Marine Corps Air Ground Combat Center in Twentynine Palms, California. In 2018, he completed non-resident USMC Command and Staff College and graduated with Distinction. In 2019, he reported to 7th Engineer Support Battalion and is currently serving as the Executive Officer. His personal decorations include the Meritorious Service Medal, Joint Service Commendation Medal, Navy and Marine Corps Commendation Medal with two gold stars, Joint Service Achievement Medal, Navy and Marine Corps Achievement Medal with one gold star, and Combat Action Ribbon.