 Live from NPR News in Washington, I'm Corva Coleman. Secretary of State Antony Blinken says NATO is sending F-16s to Ukraine. It's part of a package that he says will be key to defending Ukraine's infrastructure. NPR's Michelle Kellerman reports the news comes out of the NATO summit in Washington. At a public forum on the sidelines of the 75th anniversary NATO summit, Secretary Blinken was asked to give more details about the alliance's plans to beef up Ukraine's air defenses.