Second U.S. aircraft struck by Iranian fire after downed jet, U.S. official says

A U.S. official confirmed that another aircraft was shot down by Iranian fire after an F-15E was downed earlier in the day. The single-pilot aircraft was an A-10 Thunderbolt, known as a Warthog, the official said. NBC News' Courtney Kube reports on the latest news coming out of the Pentagon.