JMRC is the only Army Combat Training Center outside the continental U.S. on Hohenfels Training Area (HTA). HTA is 163 km2, has 1,345 buildings for training, has 319 kilometers of road and numerous cross country trails, and has one short take-off/landing airfield. JMRC provides a myriad of indispensable capabilities to the U.S. Army, our European allies and other partners. JMRC integrates multinational participation into every rotation. JMRC can tailor the exercise and operational environment based on the needs and requirements of the training audience. JMRC supports training for other U.S. agencies and foreign non-military organizations. JMRC regularly employs the U.S. Army’s Decisive Action Training Environment (DATE) and Mission Rehearsal Exercise (MRE) concepts. JMRC regularly hosts DATE exercises to deploy and test the Regionally Aligned Forces as part of the European Reaction Force. JMRC hosts the Kosovo Force (KFOR) Mission Rehearsal Exercise. JMRC provides world-class opposing forces - the 1st Battalion, 4th Infantry Regiment (1-4 IN) - to train participants and trains all warfighting functions; several support directorates to ensure world-class support to our rotations; and 15 Observer Coach Trainer teams to provide evaluation and lessons learned for a wide variety of military occupational specialties for each maneuver training rotation. JMRC provides a realistic, complex operational environment supported by world class OCTs and OPFOR.