What is the meaning of the usaf standardized attack warning signals?

Answer 1

ALARM GREEN- attack is not probable ALARM YELLOW- attack is probable in less than 30 mins ALARM RED with wavering tone- attack by air or missile is imminent or in progress ALARM RED with bugle call-to-arms- attack by ground forces is imminent or in progress ALARM BLACK- attack is over and CBRN contamination and/or UXO hazards are suspected or present
~alarm green - attack is not probable ~alarm yellow - attack is probable in less than 30 mins ~alarm red (wavering tone) - attack by air or missile ~alarm red (bugle) - attack by ground ~alarm black - attack is over
attack not probable- green

attack by ground forces in imminent or in progress - redd with call to arms

attack in 30 minutes - yellow

attack by air/missile is coming- red with tones

attack is over but Chem/UXO suspected or present - black

Answer 2

They are standardized warning signals for CBRNE medium and high threat areas

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ALARM GREEN- attack is not probable

ALARM YELLOW- attack is probable in less than 30 mins

ALARM RED with wavering tone- attack by air or missile is imminent or in progress

ALARM RED with bugle call-to-arms- attack by ground forces is imminent or in progress

ALARM BLACK- attack is over and CBRN contamination and/or UXO hazards are suspected or present

Answer 3

• Alarm Green - Attack is not probable
• Alarm Yellow - Attack is probable in less than 30 minutes
• Alarm Red (wavering tone) - Attack by air missile is imminent or in progress
• Alarm Red (bugle call-to-arms) - Attack by gorund forces is is probable or imminent
• Alarm Black - Attack is over and CBRN contamination and/or UXO hazards are suspected or present