The President says Kharg Island is being blown to smithereens, punctuates the thought three times, and signs it “President DJT.” The post does not say who is doing the blowing, under what authority, toward what objective, or whether Congress was told anything at all.
Kharg Island is commonly known as Iran's principal oil export terminal, which is the sort of detail a statement of this kind might ordinarily address. The record would note that announcements of military action have historically arrived through channels that include a verb with a subject.