377TH THEATER SUSTAINMENT COMMAND

New Orleans, Louisiana

U.S. Army Reserve Soldiers from the 143rd Sustainment Command (Expeditionary) execute rail operations at Camp Shelby, Pascagoula, and the port of Gulfport, Mississippi, during Operation Sentinel Justice (OSJ), June 9-16, 2026. OSJ is a large-scale U.S. Army Reserve training exercise that enhances Soldiers and unit readiness, validates capabilities, and improves mission effectiveness through realistic, multi-echelon training in a dynamic operational environment. (U.S. Army Reserve video by Spc. Angel Latimer)
The 2026 Combined Best Squad Competition wasn’t just a test of endurance; it was a showcase of lethality, discipline, and cohesion. Soldiers from across nine commands converged to tackle high-stakes tactical lanes, rigorous physical assessments, and complex Soldier tasks designed to find the best of the best. They came as individuals, but they conquered as squads. Check out the recap! 🎬Staff. Sgt. Jerry Zuetrong & Spc. Angel Latimer #BestSquad2026 #ArmyReserve #CombatReady #Lethality #SoldierSkills
Soldiers of the 380th Quartermaster Company attend scenario-based lanes training while in attendance at the WAREX 2026 exercise in Ft. McCoy, Wisconsin, from 26 July to 10 August 2026.
Boots on. Clock running. Zero rest. ⏱️ This morning, the 377th Theater Sustainment Command put tactical readiness into action as Soldiers tackled the Combat Field Test (CFT). Every event tests functional capability under heavy fatigue—proving that sustainment Soldiers stay ready for any mission, anytime, anywhere. #FeelGoodFriday #TwiceTheCitizen #CanDo #USArmyReserve
U.S. Army Maj. Gen. Justin Swanson relinquishes command during a change of command ceremony held at The National WWII Museum in New Orleans, June 28, 2026. The ceremony honors Swanson's leadership and service as the outgoing commander before authority is officially transferred to the incoming commander, Maj. Gen. Jake Kwon. (U.S. Army Reserve video by Sgt. Fernando Candia)
The 377th Theater Sustainment Command is the lead element in the coordination and execution of military joint color guards in the Greater New Orleans area. The video shows a few of the many events the 377 team and fellow service members have executed over the years.
377th TSC Captain Showcases Fitness Excellence in Global Arena
Aug. 27, 2026 - Whether he’s pressing 150 pounds overhead with one hand at Louisiana’s Strongest Man competition, or representing the U.S. Army Reserve on the NATO stage, Capt. Tyler Davis is actively in motion...

Supporting the surge: Fort Hunter Liggett at its best
Aug. 6, 2026 - Thousands of Soldiers descend each summer to Fort Hunter Liggett from all around the nation to validate their readiness across complex command structures, pitting their skills directly against opposing forces (OPFOR). The...

Army Reserve railway Soldiers keep logistics on track during Operation Sentinel Justice
June 24, 2026 - Sounds of the pickaxe hit the rails and sweat coming down through the multi-colored green camouflage uniform, muffled engine sounds from a military vehicle being dragged across the railcar. This scene highlights the critical...

Soldier realizing ambitions in the U.S. Army Reserve
June 18, 2026 - For Spc. Andy Soto, the memories of his childhood in Havana, Cuba, are vague at best. At the age of seven he emigrated to the United States with his parents and siblings, his father hoping to find a more fulfilling,...

Fuel tests keep mission functional at Army Reserve exercise Sentinel Justice
June 11, 2026 - At the largest training exercise in Army Reserve history, the importance of keeping units operational at Operation Sentinel Justice flows through the fuel labs nestled away in the confines of an unassuming motor pool, here...

Maj. Gen. Jake S. Kwon
Commanding General, 377th Theater Sustainment Command
VIEW BIO


Command Sgt. Maj. Juddiah G. Mooso
377th Theater Sustainment Command Senior Enlisted Advisor
VIEW BIO


Join Our Conversation!