The pro-Trump Breitbart News website harshly criticized the president after his speech Monday night in which he indicated the U.S. was committing more troops to the war in Afghanistan, just days after the site was back under the leadership of former White House senior adviser Steve Bannon.

Breitbart's homepage ran the blaring headlines: "Trump Reverses Course, Will Send More Troops to Afghanistan" and "Trump's 'America First' Base Unhappy with Flip-Flop Afghanistan Speech."

President Trump in his speech did not specify the number of additional troops he would send to fight in the war that is in its 16th year, but he insisted the U.S. would not be engaged in "nation-building."

Though Trump did not largely campaign on a specific policy geared toward Afghanistan, he has said in past public comments that the war was draining U.S. resources, and many of his supporters believe a troop increase is at odds with his "America First" agenda.

Steve Bannon was the biggest champion of a more limited U.S. presence abroad. He left his post at the White House last week to return to running Breitbart.

"Steve Bannon will be a tough and smart voice at Breitbart News," Trump wrote Saturday on Twitter. "Maybe even better before. Fake News needs the competition!"