[tz] Coordinated Universal Time (UTC) to retain “leap second”

[walter harms]

Am 20.11.2015 16:53, schrieb Paul_Koning at dell.com:
> 
>> On Nov 20, 2015, at 12:16 AM, Random832 <random832 at fastmail.com> wrote:
>>
>> On 2015-11-20, Paul Ganssle <paul at ganssle.io> wrote:
>> ...
>>> You think a timescale which is an integer number of seconds
>>> offset from TAI and which is within a second or so of London’s
>>> Mean Solar Time is wholly unnecessary. This demonstrates that
>>> you aren’t a marine navigator, an astronomer, or (where it
>>> bites especially hard) an aviator. It’s from these people that
>>> the real-world pushback against decoupling international
>>> standard time from mean solar is coming, and they have good
>>> reasons.
> 
> I'm puzzled.  Are there still marine navigators who have a sextant at hand, never mind know how to use one, let alone active use it?  And celestial navigation in airplanes disappeared, what, 50 years ago?  More?
> 
> 	paul
> 

The US Navy does:
http://www.slate.com/blogs/future_tense/2015/10/19/u_s_naval_academy_reinstates_celestial_navigation_education.html

And based on the photo inside the article the russian do also

re,
 wh