STRIPES (Matthew Adams) - Air Force establishing new military zone, expanding existing one in Texas | Stars and Stripes
The new zone will mean the military will have six defense areas in Texas, New Mexico, Arizona and California.
AF (Pentagon News) - National Defense Areas expanded, established along Texas border
The Secretary of War directed the expansion of the South Texas NDA to ensure the western endpoint reaches Roma, Texas, as originally intended. This action extends NDA 3 to include approximately 250 miles west of the Gulf of America.