U.S. Soldiers Killed in Drone Strike Identified

President Biden vows to respond to attack on a US base that left three American soldiers dead. Security officials say we must do what we have to to protect our troops - as calls for retaliation grows. NBC’s Alice Barr is live on Capitol Hill with more. More local videos here: Subscribe to NEXT: Stay connected: 9NEWS Website: Facebook: Twitter: Instagram: Download the 9NEWS App: Sign up for the 9NEWSLETTER: 9NEWS (KUSA) is located in Denver, Colorado.