This is interesting
and thanks John for the 'heads up'!
1- There are easier and more direct ways to ship munitions to Iran.
2- I am unsure if Russia using it's military in the case of piracy is abnormal?
Military ships are used regularly in the waters off Somalia to deal with piracy
Canada had the HMSC Winnipeg busy keeping pirates at bay near Somalia-
Canadian military at work on pirate detector- and they were not alone. Other countries had military ships in the area, including the US and China.