One thousand yards is well within range of almost any weapon a drone could carry. Once a missile is fired, it is a much harder target than a slower moving drone. I’d say the Iranians are testing, probing to see what they can get away with. I hope we have nearby fighter aircraft for air cover should s Navy ship suddenly be swarmed.
As a side note, Iran has reportedly made “a substantial” offer regarding their nuclear program in an effort to reduce sanctions. Also, Oilprice.com reports no upward movement in oil prices, indicating the marketplace does not expect a war or a disruption.
Meanwhile....... Israel still has all, that is the sum total, of the records of the Iranian nuclear program.
I suspect there may not be an actual viable Iranian nuclear weapons prgram. I suspect it may have been stymied