Special operations must continue counterterrorism and crisis response while also competing with peer adversaries such as Russia and China, experts said.
Extremist groups are shifting toward a more militia-style environment, targeting veterans for recruitment, valuing their skills and preying on their patriotism.
The Defense Department is talking with federal law enforcement agencies as they develop databases on domestic extremists groups, said the senior enlisted adviser to the Joint Chiefs chairman.
The United States will hold up $255 million in military assistance for Pakistan until it cracks down on extremist groups that threaten neighboring Afghanistan, officials said Thursday, in the first concrete step since President Donald Trump vowed to ramp up pressure on Pakistan.