MG John D. Haas was commissioned as an Infantry Officer upon graduation BIOCC on 24 August 1990, Class 5-90. His first duty assignment was Platoon Leader, CO A, 3rd BN 124th IN REGT, Tallahassee, Florida.

His subsequent duty assignments include: Scout Platoon Leader, HHC, 3rd BN 124th IN REGT, Panama City, Florida; BN S-3 AIR, HHC, 3rd BN 124th IN REGT, Panama City, Florida; Commander, CO A, 3rd BN 124th IN REGT, Tallahassee, Florida; Commander, HHC, 3rd BN 124th IN REGT, Panama City, Florida; BN S-4, 3rd BN 124th IN REGT, Panama City, Florida; BN S-3, 3rd BN 124th IN (FWD), Baghdad, Iraq; BN XO, HHT, 1st BN 153rd CAV REGT (RSTA), Panama City, Florida; Squadron XO, HHT, 1st BN 153rd IN REGT (RSTA), Panama City, Florida; Assistant Chief of Staff, Joint Force HQ Florida, St. Augustine, Florida; Squadron Commander, HHT 1st BN 153rd CAV REGT (RSTA), Panama City, Florida; Squadron Commander, HHT 1st BN 153rd CAV REGT (RSTA) (FWB), Camp Buehring, Kuwait; Squadron Commander, HHT 1st BN 153rd CAV REGT (RSTA), Panama City, Florida; Director, G-3, Joint Force HQ Florida, St. Augustine, Florida; Brigade Commander, HHC 53rd IN BDE, Pinellas Park, Florida; Director, J-5, Joint Force HQ Florida, St. Augustine, Florida; Assistant Adjutant General - Florida, Joint Force HQ Florida/Army Element Joint Force HQ, St. Augustine, Florida; Adjutant General - Florida, Army Element Joint Force HQ, Saint Augustine, Florida.

His military education and training includes: Ranger, Airborne, and Pathfinder Schools; Infantry Basic and Advanced Courses; the U.S. Command and General Staff College; Pre-Command Course, and the Army War College where he received a Master of Science Degree (MS) in Strategic Studies.

Major General Haas’s highest military awards include: Combat Infantryman Badge (w/ Silver Star), Legion of Merit, Bronze Star Medal (w/ Bronze OLC), Purple Heart, Meritorious Service Medal (w/4 OLCs), Joint Service Commendation Medal, Army Commendation Medal, Army Achievement Medal w/4 Bronze OLCs), Good Conduct Medal, Army Reserve Component Achievement Medal (w/2 Bronze OLCs), National Defense Service Medal (w/ Bronze Service Star), Iraq Campaign Medal (with 2 Bronze Service Stars), Armed Forces Expeditionary Medal, Global War on Terrorism Service Medal, Global War on Terrorism Expeditionary Medal, Humanitarian Service Medal (w/2 Bronze Service Stars), Armed Forces Reserve Medal (with Silver Hourglass and “M” Device).

MG Haas is currently serving as the Adjutant General of Florida where he is the senior military advisor to the Governor and responsible for the overall management, readiness, and mobilization of both U.S. Army and U.S. Air Force elements of the Florida National Guard.