Radar Base is a census-designated place (CDP) in Maverick County, Texas, United States.

[3] According to the United States Census Bureau, the CDP has a total area of 4.2 square miles (11 km2), all land.

It is the location of the Maverick County Memorial International Airport, which was previously Eagle Pass Army Airfield.

About 42.9% of families and 42.9% of the population were below the poverty line, including 56.5% of those under the age of eighteen and none of those 65 or over.

Radar Base is served by the Eagle Pass Independent School District.