The defensive alliance strengthens its defences and invites Finland and Sweden to join.
Adam is joined by Katya and BBC Security Correspondent Frank Gardner, who are covering the organisation's summit in Madrid.
And You, Me and the Big C producer Mike Holt is also on to celebrate the life of Dame Deborah James.
Today’s Newscast was made by Tim Walklate with Chris Flynn, Alix Pickles and Miranda Slade. The technical producer was Cassie Galpin. The assistant editor was Sam Bonham.