3 ms·
> In the military knowing first-light and last-light, down to within a few minutes, is essential daily. Why is that?
by throw0101a 6y ago
> In the military knowing first-light and last-light, down to within a few minutes, is essential daily.
Why is that?
- yeswatch 6y agoBecause there is a dramatic difference between nocturnal and daylight operations. https://www.yeswatch.com/wrist-watch/worldwatch/past-collections.html https://www.yeswatch.com/wrist-watch/worldwatch/past-collect...