Two warships? I bet one is a tug to pull the other home when its engines fail.
Actually, the two ships are very small displacement Buyan class corvettes. Here’s a link to some basic details on the type:
https://en.wikipedia.org/wiki/Buyan-class_corvette
The vessels are assigned to the Caspian Sea flotilla. The Iranian port they are calling at is at the southern end of that sea, on the other side of Iran from western interests.
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