An attack or hostile act is imminent or in progress.
A disaster or incident affecting the base is imminent or in progress.
Attack Warning = 3-5 minute wavering tone on siren, or voice announcement Disaster Warning = 3-5 minute steady tone on siren, or voice announcement All Clear = Voice Announcement
A steady yellow light indicates that drivers should slow down and prepare to stop, as the traffic signal is about to change to red.
strong and steady. about 60 to 80 beats per minute
A steady yellow traffic light indicates that the traffic signal is about to change to red, and drivers should prepare to stop safely.
A steady amber LED.
a disaster or incident affecting the base is imminent or in progress
a disaster or incident affecting the base is imminent or in progress
he symbol for an atmospheric pressure of 1076 millibars and steady. State the letter of the correct answer.
A steady white light often indicates that a device is functioning properly or is in a standby mode, depending on the context. it could also indicate a low power or battery status.
Steady red typically refers to a traffic signal that indicates drivers must come to a complete stop and remain stopped until the signal changes. In context with aviation, a steady red light on a runway is used to indicate to pilots that the runway is closed and they should not take off or land.
Attack is over and NBC contamination and/or UXO hazards are suspected or present. (Black Flag)