Master Chief Dittmar is the Naval Special Warfare Command (WARCOM) Force Master Chief. WARCOM is the component headquarters for Naval Special Warfare (NSW) located in Coronado, California.
 
Master Chief Dittmar is from Manatee County, Florida. He enlisted in the Navy in April 1992 and attended Quartermaster "A" School in Orlando, FL. He then reported to Basic Underwater Demolition / SEAL School (BUD/S), where he began and graduated with Class 188.
 
Following BUD/S graduation and U.S. Army Airborne he was assigned to SEAL Team FIVE where he completed multiple deployments to the Pacific and Central Command Areas of Operation.
His subsequent assignments included Explosive Ordnance Disposal Group One, NSW Advanced Training Command, and SEAL Team ONE. While assigned to SEAL Team ONE from 2004 to 2008 he served as Troop and Task Unit Senior Enlisted Advisor on successive combat deployments in support of Operation Iraqi Freedom.
 
Next, he was assigned to NSW Group One Training Detachment as Operations Master Chief and then to the Joint Special Operations Forces Senior Enlisted Academy (JSOFSEA) at MacDill Air Force Base, Tampa FL. where he served as Senior Instructor and Course Director.
 
From 2013 to 2021 Master Chief Dittmar served four consecutive Command Master Chief tours. His commands included NSW Group One Training Detachment, NSW Basic Training Command, The Center for SEAL and SWCC, and the NSW Center. While assigned as CMC of NSW Center he was responsible for NSW assessment, selection, production, development, and advanced training.
 
After serving as NSW Deputy Force Master Chief from Aug. 2021 to Aug. 2022, he was selected to his current assignment as Force Master Chief, Naval Special Warfare.
 
Master Chief Dittmar is a graduate of National Defense University Keystone, Joint Special Operations University Summit, Joint Special Operations Forces Senior Enlisted Academy, and the US Navy Senior Enlisted Academy. He is a graduate of the State College of Florida and holds a certification in Post-Secondary Adult Education. His personal awards and commendations are consistent with those received during more than 30 years of service to our Nation.