Col Fahy was commissioned through the Platoon Leaders Class in 1992, and after completing The Basic School he was assigned to BSSG-1 (re-designated CSSG-3/CLB-3), MCB Hawaii, where he served as an Engineer Platoon Commander from 1993-1994. Immediately following his time as a Platoon Commander, Col Fahy became the Executive Officer (XO) of Landing Support Company, CSSG-3. During the final 18 months of his first tour, Col Fahy served as the Commanding Officer of CSSD-B, where he supported the 3rd Marine Regiment’s deployment to the Pohakuloa Training Area, and Commanding Officer of Headquarters & Service Company, Combat Service Support Group-3.
During June 1996, Col Fahy was assigned to the Marine Corps Recruiting Station, Salt Lake City, Utah where he served as the Operations Officer, and was subsequently promoted to Captain. In 1998, he was transferred to the 12th MCD Headquarters where he served as the Quality Control Officer. In June 1999, Col Fahy was transferred to the Amphibious Warfare School as a student. Upon graduation and augmenting OCS as a Platoon Commander, he was transferred to 1st Combat Engineer Battalion, 1st Marine Division, where he served as the S-4 Officer, and Company Commander.
In May of 2002, Col Fahy was promoted to Major and transferred to MCB Camp S. D. Butler, Okinawa Japan. While serving as the Deputy Operations Officer for Facilities Maintenance Division, he volunteered for an IA billet, and deployed with the Marine Logistics Command (2nd FSSG) in support of OIF-1. Col Fahy’s final year on Okinawa was spent as the Operations Officer for H&S Battalion, MCB Camp S.D. Butler. In June of 2005 Col Fahy was transferred to the Marine Corps University where he was student at Command and Staff College. Upon graduation, he was transferred to the 1st MLG and assigned as the Executive Officer of 7th Engineer Support Battalion. Col Fahy was then designated to deploy as a Team Leader on a Border Transition Team. Deploying to Iraq in March 2007, he was a Transition Team Leader charged with advising and mentoring the Iraq Department of Border Enforcement in Western Al Anbar Provence as part of Task Force 1/4.
Upon returning from Iraq, he served as the XO of CLR-1 where he was promoted to Lieutenant Colonel. In December of 2007 Col Fahy received orders to the 12th Marine Corps Recruiting District where he served as XO. In July of 2009 Col Fahy assumed command of Marine Wing Support Squadron 373 at MCAS Miramar. While in command, he deployed his squadron to Helmand Province, Afghanistan in support of Operation Enduring Freedom. Upon successfully completing his command tour, Col Fahy attended the Naval War College. In July of 2011 Col Fahy was transferred to U.S. Pacific Command where he served as a Branch Chief in the Strategic Plans Division (J54) and the Operations Officer for the Strategic Planning and Policy Directorate (J5). Col Fahy was then transferred to 3d Marine Aircraft Wing where he was promoted to Colonel and served for 2 years as the Assistant Chief of Staff for Aviation Ground Support.
Col Fahy holds a Bachelor of Arts degree from San Diego State University and a Master’s Degree from the U.S. Naval War College. His personal military decorations include the Legion of Merit, Defense Meritorious Service Medal, Bronze Star with Gold Star, Meritorious Service Medal with Gold Star, Navy and Marine Corps Commendation Medal with 2 Gold Stars, Navy and Marine Corps Achievement Medal, and he wears the Marine Corps Recruiting Ribbon.