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Apollo-A Alert and Modes: Difference between revisions
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Engaging Self-destruct automatically triggers Red Alert. | Engaging Self-destruct automatically triggers Red Alert. | ||
{{Sub-Heading| | {{Sub-Heading|red|Double Red Alert}} | ||
The double red alert was a rarely used alert signal for extremely dire situations, especially when a nearly instantaneous response was required. A double red alert was technically equivalent to a red alert, except that it conveyed a higher sense of urgency. The alarms and lights for a double red alert were the same as for a standard red alert. | The double red alert was a rarely used alert signal for extremely dire situations, especially when a nearly instantaneous response was required. A double red alert was technically equivalent to a red alert, except that it conveyed a higher sense of urgency. The alarms and lights for a double red alert were the same as for a standard red alert. | ||