What is DEFCON and What are its Levels ?

We are at Defcon 3 as of today. DEFCON LEVELS CONDITION EXERCISE TERM READINESS DESCRIPTION I

Interview with Florian Dumont Designer of DEFCON 1 from Asyncron Games Currently on Kickstarter – The Players' Aid

MS-DEFCON System @ AskWoody

Spencer Linton on X: SEEKING OPINIONS on #BYUSN: What is your DEFCON Level for BYU Football today? DEFCON 1 - Nuclear war is imminent! DEFCON 5 - All is well / X

CHART OF THE DAY: THE ECONOMY IS NOW AT DEFCON 3

The Astute Galoot ™️ 🏴‍☠️ on X: DEFCON levels up / X

Go To DEFCON 3, Air & Space Magazine

DEFCON: 5 Levels of Anaerobic Exercise - Fort Fitness

DEFCON OSINT site claims all Commands are at CON 2 Alert Status (sans SPACECOM). Credible? : r/NonCredibleDefense

4 DEFCON FOUR CODE GREEN DEFENSE CONDITION INCREASED MILITARY INTELLIGENCE WARNING STATE OF READINESS FOR NUCLEAR WORLD WAR GAME OVER FIRST SECOND STRIKES