WATCH: Mattis says Afghan forces fully engaged for first time - PBS

Secretary of Defense James Mattis and Chairman of the Joint Chiefs of Staff Joseph Dunford testify before the Senate Armed Services Committee.

President Donald Trump announced in August a plan to end America’s longest war and eliminate a rising extremist threat in Afghanistan.

Sen. John McCain of Arizona, the chairman of the Armed Services Committee, lectured Mattis and Gen. Joseph Dunford at the opening of the hearing. McCain says the Trump administration has failed to inform Congress of the details of the strategy spelled out by Trump.- Read More

WATCH: Mattis says Afghan forces fully engaged for first time | PBS

WATCH LIVE: Defense Sec. Mattis and Chairman of Joint Chiefs