When Iran recently launched more than three hundred drones, ballistic missiles, and cruise missiles in a large-scale attack against Israel, almost every single one was stopped from reaching its target. A combination of ground-based air defenses, ship-launched weapons, and aircraft from multiple...

Seventy-five years ago, on April 4, 1949, representatives of twelve governments came together to sign the North Atlantic Treaty. Much has changed in the intervening period—the Cold War came and went, NATO invoked the Article 5 collective defense clause after the 9/11 attacks, an era of renewed...