Not military, entirely a legal/criminal issue, and a 'rich' landowner using the maximum extent of the law to protect his privacy, and a private individual who didn't dare get involved in the cost of fighting.
You may not enter private land or the land inside a gatehouse or apound a residence without permission, and taking photographs just compounds the offence. Note that is different from the right of access to public land granted by the Scottish Open Access Code. Yes, we are in the fine detail of the wording, but the code is not a
carte blanche to go anywhere.
I grudge giving him any publicity, but since it's needed to make some sense of the scenario:
http://www.kames-castle.co.uk/
He has also been in contact with people such as myself, demanding that we remove older or out-of-date pictures of the place from past years, as they don't reflect favourably on its current condition.
Have a look at his Terms & Conditions for anyone staying there, and see what conditions he imposes should you be fortunate enough to meet someone you want to bring back to you cottage.