JMC plans, prepares and executes Joint Warfighting Assessments and other concept and capability assessments, provides objective analysis and feasible recommendations to enhance Multi-Domain Command and Control and inform Army Modernization decisions. On order, conducts directed assessments in support of Cross Functional Teams.


The Army’s lead for warfighting concept and capability assessments, supporting modernization to ensure that future forces win in a complex world.

Who is Joint Modernization Command?

Joint Modernization Command plans and executes worldwide multi-echelon, joint, and multinational live experiments in support of the Army’s modernization strategy enabling a multi-domain operations-capable Army.

JMC is located in Fort Bliss, Texas, consisting of NCO and Officer Professionals from across the spectrum of warfighting functions.

There are three divisions within JMC supported by a complete General Staff and Simulations Center. The Multi-Domain Operations Group specializes in Multi-Domain Operations Concept and the concepts that support operationalizing MDO. Multi-Domain Command and Control focuses on the conceptual and technical interoperability to include joint and multinational. The Field Experiments Division ensures emerging technology and new capabilities are integrated into a realistic scenario. The three divisions are supported by the commanding general’s staff to put new concepts and capabilities in the hands of Soldiers and leaders providing user feedback to Army Senior Leaders for Modernization decisions.


COL_MAGSIG_ASU-WEB.jpgColonel Tobin Andrew Magsig
Colonel Toby Magsig was commissioned in the Infantry upon graduation from the United States Military Academy in 1996. He served as a Platoon Leader and Company Executive Officer in 2nd Battalion, 187th Infantry Regiment, 101st Airborne Division (AASLT) at Fort Campbell, Kentucky, and in 1st Battalion, 75th Ranger Regiment in Savannah, Georgia.

After completion of the Maneuver Captains Career Course, COL Magsig served as the Aide-de-Camp for the Task Force Falcon Commanding General in Kosovo. He then commanded G Troop, 1st U.S. Cavalry Regiment (BRT) and HHC, 1st Battalion, 6th Infantry Regiment in 2nd Brigade, 1st Armored Division, Baumholder, Germany. Subsequently, he served as the Battalion Adjutant, Assistant S3 and A Company Commander in 1st Battalion, 75th Ranger Regiment. 

Following completion of Command and General Staff College, COL Magsig served as the liaison officer, S3 and XO in 3rd Battalion, 75th Ranger Regiment. After three years in 3rd Ranger Battalion, COL Magsig moved up to the 75th Ranger Regiment HQ, where he served as the Senior LNO and Regimental S3. After leaving Fort Benning, COL Magsig commanded 1st Battalion, 501st Infantry (Airborne) at Joint Base Elmendorf-Richardson, Alaska, and commanded a Special Operations Advisory Group where he mentored and trained Afghan Special Operations Forces. 

Following a year at the Army War College in Carlisle, Pennsylvania, COL Magsig served as the Division G3 for the 82nd Airborne Division before taking command of 1st BCT, 82nd Airborne Division from 2017-2019. Prior to assuming command of the Joint Modernization Command, COL Magsig served as the Executive Officer to the Commanding General, U.S. Army Forces Command.

COL Magsig’s operational experience includes a deployment to Kosovo in support of Operation Joint Guard, three deployments to Iraq in support of Operation Iraqi Freedom and nine deployments to Afghanistan in support of Operation Enduring Freedom.

COL Magsig holds a Bachelor of Science from the United States Military Academy, a master’s in Organization Psychology from Columbia University, and a master’s in Strategic Studies from the Army War College. He is a graduate of the following military schools:  Airborne, Air Assault, Ranger, Pathfinder, Jumpmaster Course, IOBC, MCCC, CAS3, and CGSC. 

COL Magsig’s awards and decorations include the Legion of Merit, the Bronze Star Medal, the Purple Heart, the Defense Meritorious Service Medal, the Meritorious Service Medal, the Joint Service Commendation Medal, the Army Commendation Medal with “V” device, the Army Achievement Medal, the Expert Infantryman’s Badge, Combat Infantryman’s Badge, Master Parachutist Badge, Ranger Tab, and the Australian, German, Chilean and French Jump Wings.

command sergeant major

CSMGUNN.jpgCommand Sergeant Major Christopher D. Gunn
Command Sergeant Major Christopher D. Gunn entered military service in March 1992. CSM Gunn completed Basic and One Station Unit Training at Fort Benning, Georgia.

CSM Gunn’s assignments include 25th Long Range Surveillance Detachment, Schofield Barracks, Hawaii; 1st Battalion, 32nd Infantry Regiment, Fort Drum, New York; 1st Battalion, 34th Infantry Regiment (Basic Training Battalion), Fort Jackson, South Carolina; 1st Battalion, 502nd Infantry Regiment, Fort Campbell, Kentucky; Task Force 1, Joint Readiness Training Center and 1st Battalion, 509th Parachute Infantry Regiment, Fort Polk, Louisiana; United States Army Sergeants Major Academy Class 59, Fort Bliss, Texas; 3rd Infantry Brigade Combat Team, 1st Armored Division, Fort Bliss; CSM, 3rd Battalion, 69th Armored Regiment, Fort Stewart, Georgia; CSM, 2nd Squadron, 3rd Cavalry Regiment, Fort Hood, Texas; Brigade CSM, 3rd Armored Brigade Combat Team, 4th Infantry Division, Fort Carson, Colorado; BDE CSM, 1st Security Forces Assistance Brigade, Fort Benning; and most recently as the CSM, U.S. Army Joint Modernization Command, Fort Bliss.

CSM Gunn’s awards and decorations include the Legion of Merit Medal (two Oak Leaf Clusters and “C” Device), Bronze Star Medal (2 OLC), Meritorious Service Medal (one Silver and one Bronze Leaf Cluster), Army Commendation Medal (5 OLC), Army Achievement Medal (1 SLC), Meritorious Unit Commendation (1 OLC), Army Superior Unit Award (1 OLC), Army Good Conduct Medal (8th award), National Defense Service Medal (2nd award), Iraqi Campaign Medal with two stars, Afghanistan Campaign Medal with one star, Global War on Terrorism Service Medal, Humanitarian Service Medal with two stars, NCO Professional Development Ribbon with Numeral 4, Army Service Ribbon, Overseas Service Ribbon, Multinational Force and Observers Medal, NATO Medal, Combat Infantry Badge, Expert Infantry Badge, Master Parachutist Badge, Pathfinder Badge, Air Assault Badge, Drill Sergeant Badge, and Ranger Tab. He is also a receipt of the Order of Saint Maurice, Order of Saint George, and Order of Saint Barbara, a member of the Sgt. Audie Murphy Club and a distinguished member of 502nd Regimental Association. Furthermore, CSM Gunn has been awarded the Polish Armed Forces Silver Soldier's Medal.

CSM Gunn holds an associate degree in General Studies from Central Texas College, as well as both a bachelor’s degree in Multidisciplinary Skills and a Master of Arts in Leadership Studies from the University of Texas at El Paso.

The Joint Warfighting Assessment