It prescribes five graduated levels of readiness (or states of alert) for the U.S. military. It increases in severity from DEFCON 5 (least severe) to DEFCON 1 (most severe) to match varying …

defcon（戒备状态） 是衡量美国军队活跃度和备战状态的等级。 它描述进攻姿态的程度，以为参谋长联席会和联合司令部所用。 DEFCONs严格匹配军事威胁严重的程度。

DEFCON, short for Defense Readiness Condition or simply Defense Condition, is the U.S. military’s ranking system for defense readiness for a potential nuclear attack....

戒备状态 或称 防御准备状态 、 国家防卫等级 、 戰備等級 （英語： defense readiness condition，简称 DEFCON）是 美國 国家防御等级的衡量方式。 此衡量現在是被 美軍 使用為 …

Official Defcon levels range from a scale of alert level 1 (color white) to 5 (color blue). Defcon levels 1 through 4 mean an elevated condition status, and alert level 5 means a current state …

DEFCON 1, also called Cocked Pistol or white alert. Defcon 1 is a white colored alert status and is a maximum readiness condition level that was initially created in 1959 by the joint chiefs of …

2023年6月17日 · DEFCON 1 is the highest threat level and indicates a maximum readiness posture where the US military is fully prepared to execute war plans. But has the US ever …

2025年2月5日 · The DEFCON system consists of five escalating levels of military readiness, with each level denoting a higher degree of preparedness. The DEFCON system’s lowest threat …

2022年9月5日 · 戒备状态 或称 防御准备状态 、 国家防卫等级 、 战备等级 （英语： defense readiness condition ，简称 DEFCON ）是 美国 国家防御等级的衡量方式。 此衡量现在是被 美 …