National Defense Area
| National Defense Areas | |
|---|---|
Secretary of Defense Pete Hegseth at the New Mexico Defense Area holding a sign which says that the area is restricted | |
| Garrison information | |
| Occupants | Department of Defense |
National Defense Areas (NDAs) are military installations designated by the second Trump administration at the Mexico–United States border which are operated by the US Department of Defense, where troops can search and detain.