Home > Term: first light
first light
The beginning of morning nautical twilight; i.e., when the center of the morning sun is 12 degrees below the horizon.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Στρατιωτικά
- Category: General military
- Company: U.S. DOD
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Δημιουργός
- Lucrezia
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