U.S. officials say active duty military troops are arriving in El Paso, Texas, and in San Diego on Thursday evening.

For several nights, military personnel had reported a mysterious breach of restricted airspace over a stretch of land that has one of the largest concentrations of national-security facilities in ...

In a letter to U.S. congressional leaders, the governor blamed previous border security policy for leaving Texas “defenseless ...

The initial blast took down the perimeter wall, allowing the other fighters to enter the base ... where two security personnel and three assailants were killed. Pakistan’s military launched ...