Not sure why you're so surprised, windows has been the base upon which some military OSes in the west are built on as well. I think the USN's Zumwalt runs on Linux, and there was a well documented incident in 1997 where the cruiser USS yorktown was disabled due to a problem with the windows NT testing as part of an attempt to introduce new smart ship capabilities.
And if you do a google search on the matter you can find quite a bit more detail, though usually from more niche sources.
E.g.:
Absalom runs a version of Windows 2000 for their console OS
FREMM consoles use Windows or Linux
CIC of FREMM: look on the far right, you can see the good old windows logo
The Visby also uses Windows NT derived OS
I haven't found what OSes USN ships use, but I expect windows or linux as well.
Edit, found an article that seems to confirm the USN used windows since the late 90s in f fleet wide modernization, although it also criticizes using windows as an OS base. Key point I think is that it is common to develop military versions of commercial OSes. :
Hell, even the E-3's OS is based off windows!
And if you do a google search on the matter you can find quite a bit more detail, though usually from more niche sources.
E.g.:
Absalom runs a version of Windows 2000 for their console OS
FREMM consoles use Windows or Linux
CIC of FREMM: look on the far right, you can see the good old windows logo
The Visby also uses Windows NT derived OS
I haven't found what OSes USN ships use, but I expect windows or linux as well.
Edit, found an article that seems to confirm the USN used windows since the late 90s in f fleet wide modernization, although it also criticizes using windows as an OS base. Key point I think is that it is common to develop military versions of commercial OSes. :
Hell, even the E-3's OS is based off windows!
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