The United States has evacuated more than 4,000 American passport holders plus their families from Afghanistan in the ongoing airlift from Kabul, Pentagon spokesman John Kirby said on Tuesday. “We expect that number to grow in coming days,” Kirby said. There was a delay in reporting the figures because U.S. officials were focused on getting people out of Kabul as quickly as possible, a senior State Department official said Tuesday. Pentagon officials expressed confidence the airlift, which started on Aug. 14, can get all Americans out by next Tuesday, Aug. 31, the deadline President Joe Biden had set long before the Taliban completed their takeover. But unknown thousands of other foreign nationals remain in Afghanistan and are struggling to get out. With the full U.S. withdrawal looming, the Pentagon said several hundred U.S. troops have been withdrawn because they are no longer needed to complete the evacuation mission. Kirby said …