DEFCON is the U.S. military’s five-level alert system that measures the threat of war. In this video, we explain what each level means, from the normal peacetime of DEFCON 5 to the brink of nuclear annihilation at DEFCON 1, and explore the real-world crises that triggered them.Remember to like and subscribe if you enjoyed this video 👍Let’s hit 1000 subscribers! 🙌00:00 DEFCON 500:59 DEFCON 402:06 DEFCON 303:15 DEFCON 204:23 DEFCON 1