 Here's today's Pentagon and Beyond report presented by General Atomics Aeronautical System. Seventy-five years ago, 12 countries signed the North Atlantic Treaty in Washington, D.C. to ensure their collective defense in an unpredictable world. This year, 32 NATO allies are meeting again in Washington to make key decisions on how to continue to protect their one billion citizens as the world faces the most dangerous security environment since the Cold War.