The fight against Islamic State has shifted to "annihilation tactics" to stop potential terrorists who've flocked to places such as Iraq and Syria from returning to their home countries to wreak havoc, Defense Secretary James Mattis said Sunday.
In his first interview on a Sunday talk show since joining the Trump administration in January, Mattis provided details of the tactical shift he announced at the Pentagon on May 19.
"We have already shifted from attrition tactics where we shove them from one position to another in Iraq and Syria," Mattis said on "Face the Nation" on CBS. "Our intention is that the foreign fighters do not survive the fight to return home to North Africa, to Europe, to America, to Asia, to Africa."