Fort Irwin National Training Center is a major training area for the United States Military and is a census-designated place located in the Mojave Desert in northern San Bernardino County, California. Fort Irwin is at an average elevation of 2,454 feet (748 m). It is located 37 miles (60 km) northeast of Barstow, in the Calico Mountains.
The National Training Center is part of the US Army Forces Command (FORSCOM). The opposing force at the National Training Center (NTC) is the 11th Armored Cavalry Regiment, the Blackhorse Cavalry, who are stationed at the base to provide an opposing force to units on a training rotation at Fort Irwin.
Fort Irwin works within the R-2508 Special Use Airspace Complex.
The 2010 United States census reported Fort Irwin's population was 8,845.