New Mexico Military Institute (NMMI) is a public military junior college and high school in Roswell, New Mexico. Founded in 1891, NMMI operates under the auspices of the State of New Mexico, under a dedicated Board of Regents that reports to the Governor of New Mexico. Located in downtown Roswell, NMMI enrolls nearly 1,000 cadets at the junior college and high school levels each year. NMMI is the only state-supported military college located in the western United States and has many notable alumni who have served at senior levels in the military and private sector.

Roswell is a city in and the seat of Chaves County, New Mexico, United States. As of the 2020 census it had a population of 48,422, making it the fifth-most populous city in New Mexico. It is home of the New Mexico Military Institute (NMMI), founded in 1891. The city is also the location of an Eastern New Mexico University campus. Bitter Lake National Wildlife Refuge is located a few miles northeast of the city on the Pecos River. Bottomless Lakes State Park is located 12 miles (19 km) east of Roswell on US 380. Chaves County forms the entirety of the Roswell micropolitan area.