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FRONT PAGE  |  6/26/2019
THURSDAY, OCT 15, 2015  |  8 comments
US navy returns to celestial navigation amid fears of computer hack
It was how Odysseus sailed the seas, how Columbus reached the Americas, and how Lawrence of Arabia found his way across the vast, featureless deserts of the Middle East.

For millennia, travellers used the stars to guide them on their journeys – a technique which, in recent decades, has been replaced by modern technology.

But now the US navy is reinstating classes on celestial navigation for all new recruits, teaching the use of sextants – instruments made of mirrors used to calculate angles and plot directions – because of rising concerns that computers used to chart courses could be hacked or malfunction.

“We went away from celestial navigation because computers are great,” said Lt. Cmdr. Ryan Rogers, the deputy chairman of the naval academy's Department of Seamanship and Navigation. "The problem is there's no backup." ...


CLICK HERE to Read Entire Article
www.telegraph.co.uk

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· Page 1 ·  Found: 8 user comment(s)
News Item10/16/15 12:33 AM
Jim Lincoln | Nebraska  Find all comments by Jim Lincoln
popeye wrote:
What about the computerised nav systems on the missiles if they go astray then watch out!!
Well some of them use the stars [URL=https://en.wikipedia.org/wiki/Missile_guidance#Astro-inertial_guidance]]]Astro-inertial guidance[/URL], but then they often are way above any weather! [URL=http://www.pbs.org/wgbh/nova/military/cyberwar-threat.html]]]http://www.pbs.org/wgbh/nova/military/cyberwar-threat.html (CyberWar Threat[/URL]

Since I'm a land-lubber I'm sticking to my GPS devices.

8

News Item10/15/15 5:22 PM
penned  Find all comments by penned
sounds like a good idea.
7

News Item10/15/15 5:16 PM
Wayfarer pilgrim | Lubbock, tx  Find all comments by Wayfarer pilgrim
Old salt, boy if only the old path were in our " churches".
6

News Item10/15/15 3:40 PM
Anne | The Wild West  Find all comments by Anne
My husband was a quarter master in the Navy and steered the boat blind more times than he can remember. During many drills, he used no electronics whatsoever but relied on charts, sextants and the sky, when available. To this day, he can find direction like no one I have ever known! He is one person who just simply never gets lost!

Old Salt makes a more than valid point - we would all do well to remember the ancient paths and walk in them that we might find rest for our souls. (Jer. 6:16)

5

News Item10/15/15 3:36 PM
popeye  Find all comments by popeye
What about the computerised nav systems on the missiles if they go astray then watch out!!
4

News Item10/15/15 2:48 PM
Jim Lincoln | Nebraska  Find all comments by Jim Lincoln
Not during cloudy weather, Old Salt, well the stars are still there, but they don't do much good if you can't see them.

By the way, you can also watch, apparently, [URL=http://www.pbs.org/wgbh/nova/military/cyberwar-threat.html]]] http://www.pbs.org/wgbh/nova/military/cyberwar-threat.html [/URL] on the Internet by going to this URL.

3

News Item10/15/15 1:15 PM
Old Salt  Find all comments by Old Salt
Surprising yet not so. The regularity of the stars, planets, moon, sun, etc thanks to a loving God who upholds His creation so regularly that we perceive so-called laws of nature is mire reliable than man's contraptions. Truth is that in this Fallen world, navigation requires a back up. We used all means of dicerning the ship's position back in the day, incl celestial navigation. But GPS is too easy & computerized navigation is too slick. Someone needs to be sure that gizmo is working correctly. It's a reminder to not forget the ancient paths, either on the sea or traveling thru this life to our desired haven.
2

News Item10/15/15 8:01 AM
Jim Lincoln | Nebraska  Find all comments by Jim Lincoln
Hacking, is something all of us the Internet who use the Internet should worry about [URL=http://www.pbs.org/wgbh/nova/military/cyberwar-threat.html]]] http://www.pbs.org/wgbh/nova/military/cyberwar-threat.html [/URL] if you didn't see it last night on PBS, it will probably be repeated quite soon. It is well worth looking at.
1
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