Home > Term: end evening civil twilight (EECT)
end evening civil twilight (EECT)
The time period when the sun has dropped 6 degrees beneath the western horizon; it is the instant at which there is no longer sufficient light to see objects with the unaided eye. Light intensification devices are recommended from this time until begin morning civil twilight.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Στρατιωτικά
- Category: General military
- Company: U.S. DOD
0
Δημιουργός
- Lucrezia
-
(Gold) 3125 points - 100% positive feedback
