The fallout from a Ukrainian strike in the Caspian Sea is drawing attention far beyond the immediate damage caused by the attack.Iran says the attack killed one sailor aboard an Iranian commercial vessel, while Ukrainian President Volodymyr Zelensky said Kyiv had struck vessels involved in military cargo shipments linked to Iran.The strike prompted an angry response from Tehran. Iranian Foreign Minister Abbas Araghchi warned that the incident "cannot go unanswered” in an X post on Sunday.Read More on NewsBut the significance of the episode extends beyond the diplomatic fallout. The strike highlights Ukraine's expanding reach, shines a spotlight on a…