9/26/2023 0 Comments Us defcon scale. wikiIn this case, a DEFCON 3 was issued because of the possibility that any errors in the resulting standoff might trigger open war across the Korean border (a politically and militarily tense area then, as it is today). For instance, during Operation Paul Bunyan, which resulted in a DEFCON 3, two American officers were killed by North Korean forces in the Korean Demilitarized Zone (DMZ). Historically, DEFCON 3 has usually corresponded to situations in which military action against the US or one of its allies was a distinct possibility.In addition, all military communications may be encrypted based on classified protocols. At this level, American military forces are put on a heightened state of alert in anticipation of mobilization - in particular, the Air Force is kept ready to launch operations with just 15 minutes of notice. Situations that call for DEFCON 3 are serious - though they may not pose an immediate threat to the existence or stability of the American state, they do call for significant vigilance. The Sixth Fleet resumed its normal DEFCON status on 17 November 1973.Use DEFCON 3 for tense military/political situations. On 31 October USEUCOM (less the Sixth Fleet) went off DEFCON III status. On 26 October, CINCSAC and CINCONAD reverted to normal DEFCON status. forces went on Defense Condition (DEFCON) III alert status, as possible intervention by the Soviet Union was feared. On 6 October 1973 Egyptian and Syrian forces launched a surprise attack on Israel. On 15 November 1965 the day Strategic Air Command (SAC) postured down to defense condition (DEFCON) III. Tension grew and the next day SAC declared DEFCON II, a heightened state of alert, ready to strike targets within the Soviet Union. On 22 October 1962 SAC responded by establishing Defense Condition Three (DEFCON III), and ordered B-52s on airborne alert. It indicates that attack upon the continental United States, Canada, or US installations in Greenland by hostile aircraft or missiles is considered probable, is imminent, or is taking place.ĭuring the Cuban Missile Crisis, the US Strategic Air Command was placed on DEFCON 2 for the first time in history, while the rest of US military commands (with the exception of the US Air Forces in Europe) went on DEFCON 3. forces overseas, or allied forces in any area, and is confirmed either by the commander of a unified or specified command or higher authority or an overt attack of any type is made upon the United States and is confirmed by the commander of a unified or specified command or higher authority.ĪIR DEFENSE EMERGENCY: Air defense emergency is an emergency condition, declared by the Commander in Chief, North American Aerospace Defense Command. By definition, other forces go to DEFCON 1 during an EMERGCON.ĭEFENSE EMERGENCY: Major attack upon U.S. In general terms, these are descriptions of DEFCONs:ĭEFCON 4 Normal, increased intelligence and strengthened security measuresĭEFCON 3 Increase in force readiness above normal readinessĭEFCON 2 Further Increase in force readiness, but less than maximum readinessĮMERGCONs are national level reactions in response to ICBM (missiles in the air) attack. DEFCONs are graduated to match situations of varying military severity, and are numbered 5,4,3,2, and 1 as appropriate.ĭEFCONs are phased increases in combat readiness. The 7 LERTCONs are broken down into 5 Defense Conditions (DEFCONs) and 2 Emergency Conditions (EMERGCONs).ĭefense readiness conditions (DEFCONs) describe progressive alert postures primarily for use between the Joint Chiefs of Staff and the commanders of unified commands. In the event of a national emergency, a series of seven different alert Conditions (LERTCONs) can be called. DEFCON DEFense CONdition - United States Nuclear Forces FAS |
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