CSM Javier R. Acosta has been with the Missouri National Guard full time since 1996 and has a total military career spanning 34 years of service. He began his military career in 1985 when he joined the United States Army out of high school in El Paso, Texas and attended basic training at Ft. Leonard Wood, Missouri and followed on to Ft. Rucker, Alabama to become an OH-58A Helicopter Mechanic. After completion of Advanced Individual Training his first duty assignment was at Ft. Riley, Kansas with the D Troop, 1^st Squadron, 4^th Cavalry as an aircraft mechanic and aerial observer. After serving with the Air Cavalry, he was sent to D Troop, 4^th Squadron, 7^th Cavalry in Camp Stanley, Korea in 1987. Following a short tour he was transferred to serve in a VIP unit as a Scout and UH-1 Huey Mechanic with B Battery, DPTM, Biggs Army Airfield, Ft. Bliss, TX. Upon disbandment of the unit he transferred to P Troop, 3^rd Armored Cavalry Regiment also located at Biggs Army Airfield till 1989.

CSM Acosta accepted an assignment in 1989 to move to Ft. Wainwright, Alaska to serve with the H Co, 123rd Aviation Battalion (AVIM), 6^th ID (Light). While at Ft. Wainwright, CSM Acosta served as a Phase Maintenance Night Shift team leader performing AVIM maintenance for the OH-58A and UH-1H helicopters, he served as an ALSE NCO and as the Aircraft Recovery Slingload Certification NCO for the unit. After the tour in Alaska, CSM Acosta returned back to Ft. Riley, Kansas to again serve with D Troop, 1^/4^th Cavalry as a Scout Helicopter Section Sergeant and the Aeroscout Observer Trainer for the unit. CSM Acosta served 9 years with the Regular Army and in 1994 left to attend college for Aviation Maintenance in Kansas City, Missouri.
 
In 1996, while pursuing his Aviation Airframe and Powerplant Maintenance License he joined D Company, 1/135^th Attack Battalion, Missouri Army National Guard, Whiteman AFB as a Technical Inspector on the OH-58, UH-1 and AH-1 helicopters and also became a fulltime aircraft mechanic for the Army Aviation Support Facility. CSM Acosta progressed through Staff Sergeant and in 2001 became a Platoon Sergeant with C Co., 1/135^th. He was promoted to 1SG for D Co. 1/135^th in 2004 and in 2006 became the 1SG for the HHC, 20^th CAB at Sedalia, Missouri.
 
As the 1SG of the HHC, 20^th CAB, he was mobilized to serve as the Headquarters First Sergeant for the Operational Support Airlift Command (OSACOM), the theatre fixed wing contingent on LSA Anaconda, Balad, Iraq under the 36^th and 12^th Combat Aviation Brigades from November 2006 to November of 2007. Upon returning from deployment he was promoted to Command Sergeant Major in April of 2008. He has served as the CSM for the 935^th Aviation Support Battalion in Springfield, Missouri and also served as the 935^th ASB (FWD) CSM during their deployment to Camp Buehring, Kuwait in 2012-2013.  CSM Acosta was selected as the 35^th Combat Aviation Brigade Command Sergeant Major in October 2013. From 2013 to 2019 he has served as the 35^th CAB CSM to include their recent deployment to Iraq, Syria, Kuwait and Jordan from 2018-2019. CSM Acosta was selected as the State Command Sergeant Major for Missouri in January of 2020.
 
CSM Acosta is a graduate of the OH-58 Kiowa, AH-1 Cobra, and AH-64 Apache maintenance courses, Air Assault School, Arctic Survival School, Emergency Medical Technician Course, Primary Leadership Development Course, Basic and Advanced Non-Commissioned Officer Courses, First Sergeants Course, and is a graduate of the Sergeants Major Academy. He most recently served as Aircraft Systems Maintenance Supervisor for the Army Aviation Support Facility #1 at Whiteman AFB for AH-64D Block I and Block II helicopters and UH-60L Blackhawk helicopter.
 
Awards and Decorations include the Master Aircraft Crewmember Badge, Air Assault Badge, Legion of Merit, Bronze Star, Meritorious Service Medal with 1 Oak Leaf, Army Commendation Medal with 4 Oak Leafs, Army Achievement Medal with 3 Oak Leafs, Good Conduct Medal with 4 Knots, National Defense Service Medal with 1 Service Star, Global War on Terrorism Expeditionary Medal, Global War on Terrorism Service Medal, Iraq Campaign Medal with Campaign Star, Inherent Resolve Campaign Medal, Army Reserve Component Achievement Medal with 4 Oak Leafs, Armed Forces Reserve Medal with M-2 device,  Overseas Service Ribbon with 2 device, Army Reserve Component Overseas Training Ribbon, Army Service Ribbon, NCO Professional Development Ribbon with 4 device, Missouri Expeditionary Ribbon, and the Distinguished Unit Citation with 1 Oak Leaf.