The Largest Military Bases In The United States

Some US military bases are so vast they make entire cities look like rounding errors. Measured by land area, the biggest are almost impossible to picture: sprawling deserts the size of small states, where missiles are tested and whole armies train for war. Here are the largest military bases in America, ranked by sheer acreage. One quick note before we start: measured by population instead, this list reshuffles completely, which we will get to at the end.

White Sands Missile Range covers roughly 3,200 square miles of New Mexico desert. Topping the list is White Sands Missile Range, widely considered the largest military installation in the entire United States. It sprawls across roughly 3,200 square miles of southern New Mexico desert, an area larger than the state of Rhode Island, which makes it the Defense Department’s biggest open-air testing range. This is where the military tests missiles, rockets, and lasers, and where, back in 1945, the world’s first atomic bomb was detonated at the Trinity site. Remarkably, the gleaming gypsum dunes of White Sands National Park sit entirely within its boundaries.

The Nevada Test and Training Range covers about 2.9 million acres of southern Nevada. If you count enormous training ranges, the Nevada Test and Training Range, run out of Nellis Air Force Base, is bigger still, covering about 2.9 million acres of southern Nevada with a jaw-dropping 12,000-plus square miles of restricted airspace stacked above it. The Air Force describes it as the largest contiguous air-and-ground training space in the free world. It hosts the famous “Red Flag” combat exercises, where pilots train against mock enemies, and it shares a remote desert neighborhood with the secretive facility popularly known as Area 51.

A sunny Memorial Day with flags flying on graves of American service members at Fort Bliss National Cemetery in El Paso, Texas. Over in far-west Texas, spilling across the border into New Mexico, Fort Bliss covers around 1.12 million acres, giving the Army its single largest maneuver area anywhere in the country. Anchored at El Paso, it is a powerhouse of armored and air-defense training, and it boasts the largest contiguous block of restricted airspace in the continental United States, perfect for the kind of long-range missile and artillery work that needs a lot of empty sky.

View of the China Lake Museum at the Naval Air Weapons Station China Lake. Editorial credit: Angel DiBilio / Shutterstock.com Now the Navy’s turn. Naval Air Weapons Station China Lake spreads across roughly 1.1 million acres of California’s Mojave Desert, an area once again larger than Rhode Island, which makes it the Navy’s single biggest landholding by far. It is the Navy’s premier site for developing and testing airborne weapons, and a huge share of the service’s missiles and bombs over the decades have been designed, refined, and proven out over its wide-open desert ranges.

An M1A2 Systems Enhanced Package Abrams tank assigned to 4th Infantry Division holds position during Project Convergence Capstone 6 (PC-C6) at Fort Irwin, California. Editorial credit: Faizinraz / Shutterstock.com Also out in the Mojave sits Fort Irwin, home to the Army’s National Training Center and its roughly 642,000 acres of harsh high desert. This is where Army brigades go for brutally realistic, force-on-force war games against a dedicated, permanently stationed “opposing force,” in a vast training area that soldiers simply call “the box.” If a US Army unit is about to deploy somewhere, there is a very good chance it was stress-tested out here first.

Eglin Air Force Base near Fort Walton Beach, Florida. Editorial credit: Joseph Creamer / Shutterstock.com Not every giant is out in the western deserts. Eglin Air Force Base, in the Florida Panhandle, covers about 464,000 acres, or roughly 724 square miles, which makes it the single largest individual Air Force base in the entire country. Eglin is the Air Force’s main hub for developing, testing, and evaluating air-delivered weapons, and its range reaches far out over the Gulf of Mexico for live-fire exercises that would be impossible almost anywhere else.

One final twist: measured by people rather than land, this entire ranking falls apart. The most populous US base is North Carolina’s Fort Bragg (briefly renamed Fort Liberty before the old name was restored in 2025), home to the 82nd Airborne Division and tens of thousands of active-duty soldiers, followed closely by Texas’s Fort Hood. Both are a tiny fraction of White Sands on the map, yet they teem with vastly more people. Which base counts as “the largest,” in the end, comes down entirely to whether you are counting acres or boots.