Major General Thomas D. Weidley was born in Lima, PA. He was commissioned a second lieutenant in the Marine Corps Reserve following his graduation from Ohio Northern University in 1987 where he earned a Bachelor of Science Degree in Mechanical Engineering.
Following completion of The Basic School in the spring of 1988, Major General Weidley reported to primary flight training at Pensacola, FL, where he was designated a Naval Aviator in July 1989. In January 1990, Major General Weidley completed initial AH-1J training at HMT-303 and reported to HMLA-367, Camp Pendleton, CA, where he transitioned to the AH-1W and deployed to the Persian Gulf in support of Operation DESERT SHIELD and Operation DESERT STORM. He served as Ground Training Officer, AH-1W Schedule Writer, and Weapons and Tactics Instructor (WTI) during his tour with HMLA-367.
In May 1994, Major General Weidley reported to Marine Aviation Weapons and Tactics Squadron One in Yuma, AZ, where he served as an AH-1W Instructor and Assistant Operations Officer. During November 1997, he reported to the 15th Marine Expeditionary Unit at Camp Pendleton, CA, where he served at the MEU Air Officer.
From January 1999 to July 2000, Major General Weidley was assigned to HMLA-369, Camp Pendleton, CA, where he served as the Director of Safety and Standardization and the Squadron's Operations Officer. In August of 2000, he reported to the United States Central Command in Tampa, FL, where he served in the Operations Directorate as an Action Officer and Deputy Division Chief within the Strategic Deployments Division, and participated in Operation ENDURING FREEDOM and Operation IRAQI FREEDOM.
Major General Weidley graduated from the Naval War College in Newport, Rhode Island in June of 2004, where he earned a Master of Arts Degree in National Security and Strategic Studies. From Newport, he reported to HMLA-369 for duty as Commanding Officer. After returning from a combat deployment in support of Operation IRAQI FREEDOM, Major General Weidley relinquished command of the Gunfighters in May 2006, and proceeded to Quantico, Virginia for his next assignment at Headquarters Marine Corps, Manpower and Reserve Affairs. He served as head of Aviation Officer Assignments and also as the Aviation Colonels Monitor. In the spring of 2009, Major General Weidley reported back to Camp Pendleton as the Commanding Officer of Marine Aircraft Group 39. His next assignment was to Marine Corps Forces Pacific, beginning in the summer of 2011, where he served as the Assistant Chief of Staff for Operations.
Major General Weidley became Commanding General of Education Command and the President of the Marine Corps University in July 2013, and was reassigned in November 2014 to Combined Joint Task Force - Operation INHERENT RESOLVE as the Chief of Staff. Major General Weidley served as the Commanding General, Marine Corps Installation East - Marine Corps Base Camp Lejeune from July 2015 to June 2017, before assuming his current duties as the Commanding General, 1st Marine Aircraft Wing.
Major General Weidley's personal decorations include the Legion of Merit with two gold stars, Bronze Star, Defense Meritorious Service Medal with oak leaf cluster, Meritorious Service Medal with gold star, Air Medal with Combat "V", two single-mission and eleven Strike Flight Awards, Joint Service Commendation Medal with oak leaf cluster, Navy and Marine Corps Commendation Medal, Joint Service Achievement Medal, and the Navy and Marine Corps Achievement Medal.