Sergeant Major Deitschman enlisted on 10 September 1989 and completed Boot Camp a Private, on 8 December 1989. He attended Marine Combat Training at Camp Pendleton and was assigned the Military Occupational Specialty (MOS) of Motor Vehicle Operator (3531). He attended Motor Vehicle Operators Course at Camp Johnson, Camp Lejeune, North Carolina.
In April 1990, Private First Class Deitschman was assigned to Battery E, 2nd Battalion, 12th Marines, attached to 3rd Battalion, 11th Marines in Twenty-Nine Palms, California.
In August 1990, Private First Class Deitschman deployed to Saudi Arabia, where he was promoted to Lance Corporal. He participated in combat operations, during Operations Desert Shield and Desert Storm and returned in March 1991,receiving the additional MOS of (2311) Ammunition Technician from his experience during Desert Storm.
In 1991, Lance Corporal Deitschman deployed to 12th Marines, at Camp Foster, Okinawa Japan and returned in 1992.
In December 1992, Corporal Deitschman was deployed to Mogadishu, Somalia for Operation Restore Hope and was engaged in combat operations. He returned in March of 1993 and left active duty in September 1993, for the Marine Forces Reserve.
Corporal Deitschman joined 1st Beach and Terminal Operations Company, 4th Air Delivery Platoon in San Jose, California. In January 1994, he attended Airborne School at Fort Benning, Georgia and retrained as a Parachute Rigger and Air Delivery Specialist (0451), graduating as the Distinguished Honor Graduate at Fort Lee, Virginia.
In 1995, Sergeant Deitschman deployed to Camp Hansen, Okinawa-Japan for Duty with 5th Force Reconnaissance to conduct jumpmaster and parachute operations. He returned back to 4th Air Delivery platoon later that year.
In February 2002, Staff Sergeant Deitschman transferred to the 23rd Marine Regiment in San Bruno, California as the Regimental Ammunition Chief. In 2004, he attended the Amphibious Embarkation Course and assumed the billet of Embarkation and Logistics Chief and later the Company Gunnery Sergeant.
In July of 2005, Gunnery Sergeant Deitschman mobilized for the Global War on Terrorism and deployed in support of Operation Enduring Freedom, as the Company Gunnery Sergeant to the Combined Joint Task Force-Horn of Africa, Camp Lemonier, Djibouti. He returned to 23rd Regiment in February 2006.
In March 2006, he was assigned to oversee the care of Combat Wounded Marines, Sailors and their family members, at the Veterans Administration Hospitals in Palo Alto and Menlo Park, California as the Injured Marine Liaison.
In July 2006, he mobilized with Marine4Life and worked as the first official, Marine Liaison to the VA Hospitals in Palo Alto and Menlo Park, California until June of 2007. During his tenure, he was directed by the Commandant to assist with the creation of the Marine Corps, Wounded Warrior Regiment and Wounded Warrior Battalions.
In June of 2007, Gunnery Sergeant Deitschman mobilized in support of Operation Iraqi Freedom (OIF) and deployed with the 2nd Marine Expeditionary Force, Headquarters Group, as the Senior Enlisted Advisor and Logistics Advisor to the Iraqi Army, with Military Transition Team 3-1-7 in Ramadi, Iraq from August 2007 to March 2008.
In June of 2008, Gunnery Sergeant Deitschman mobilized to the newly created Wounded Warrior Battalion-West at Camp Pendleton. He was assigned as the Staff Non Commissioned Officer in Charge of the newly created official Marine Detachment, located at the VA Hospitals in Palo Alto and Menlo Park, California.
In August 2009, First Sergeant Deitschman was promoted and again mobilized with Alpha Company, 4th Light Armored Reconnaissance Battalion (4th LAR BN) at Camp Pendleton in support of their combat deployment to Afghanistan. In December 2011, he was reassigned to Headquarters and Service Company, 4th LAR BN, until June of 2012.
In June 2012, First Sergeant Deitschman was reassigned to Headquarters and Service Company, 6th Engineer Support Battalion in Portland, Oregon.
On May 1st, 2015, Sergeant Major Deitschman was promoted and assigned to Combat Logistics Battalion 23, Located at Joint Base Lewis-McChord in Fort Lewis, Washington.
In December 2016, Sergeant Major Deitschman was Slated for Command with 1st Civil Affairs Group and assumed his duties in May 2017, where he continues to serve.
Sergeant Major Deitschman resides in Northern California. He is also the Unit Commander of the Golden Gate Young Marines in Hayward, California and is a Freemason.
HIS PERSONAL AWARDS AND DECORATIONS INCLUDE: Navy and Marine Corps Commendation Medal with 2 Gold Stars, Army Commendation Medal, Navy and Marine Corps Achievement Medal with 1 Gold Star, Army Achievement Medal, Combat Action Ribbon with 1 Gold Star, Joint Meritorious Unit Award with 1 Oak Leaf Cluster, Navy Unit Commendation with 1 Bronze Star, Meritorious Unit Commendation with 2 Bronze Stars, Good Conduct Medal, Select Marine Corps Reserve Medal with 1 Silver Star and 2 Bronze Stars, National Defense Service Medal with 1 Bronze Star, Armed Forces Expeditionary Medal, Southwest Asia service Medal with 2 Bronze Stars, Iraqi Campaign Medal with 1 Bronze Star, Global War on Terror Expeditionary Medal, Global War on Terror Service Medal, Outstanding Volunteer Service Medal, Sea Service Deployment ribbon with 3 Bronze Stars, Armed Forces Reserve Medal with Silver Hour Glass, Mobilization Device and Numeral 5, Kuwait Liberation Medal with Palm Tree (Saudi Arabia) and Kuwait Liberation Medal (Kuwait).