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AlmightyTallest -> RE: it is to scare seamen to death! (5/23/2015 1:51:48 PM)
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There's a few different ways of detecting submarines from space as outlined here:
https://fas.org/nuke/guide/usa/slbm/detection.pdf
Tracking a wake and making sure it's not a surface ship is easy with the correct algorithms in place. Below is a site on tracking ships from space with Synthetic Aperature Radar.
http://www.crisp.nus.edu.sg/~research/ship_detect/ship_det.htm
Tracking submarines from LEO with SAR satellites outlined here: http://gentleseas.blogspot.com.au/2012/08/satellite-detection-of-submarines.html
UK paper on LIDAR for use in Submarine detection. http://theses.gla.ac.uk/1252/1/2009birkelandmphil.pdf
[image]https://www.strategypage.com/gallery/images/radar2.jpg[/image]
This is a LIDAR image of HMS A1. [image]http://ads.ahds.ac.uk/newsletter/issue17/a1sub.JPG[/image]
I wouldn't hold too much emphasis on random photos through submarine periscopes from any country, because many of the exercises can be taken too easily out of context if you don't know the specific ROE or the reason for the training being conducted, the limited space or the way they set up the scenario or force structures.
[image]https://battlemachines.files.wordpress.com/2014/11/gorshkov.jpg[/image]
Additional info on ship detection, this service provides multiple satellite info. I would imagine the service is rather expensive, but you can see where pirates took your cargo vessel if such a thing should happen.
http://www.geo-airbusds.com/en/4445-ship-detection-tracking
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