It has been chosen as a reminder of the past. Do not fuck with Iran. All hell breaks lose on the 12th January 2019.

The Iranian Navy had missiles locked onto the USS Harry Truman during the January 12th incident
"The USS Truman Aircraft carrier showed unprofessional moves for 40 minutes after the detention of the trespassers, while we were highly prepared with our coast-to-sea missiles, missile-launching speedboats and our numerous capabilities," Fadavi said, according to Fars News Agency.

"The US and France's aircraft carriers were within our range and if they had continued their unprofessional moves, they would have been afflicted with such a catastrophe that they had never experienced all throughout the history,"

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This event from the past was critical for various reasons.