Claim: JD Vance went on Fox News at 9:00 a.m. and declared the Strait of Hormuz was open, but at 10:00 a.m., the Islamic Revolutionary Guard Corps announced that the Strait was closed.
Verdict: Unverified (45% confidence)
Explanation: We were unable to find credible sources that support the core elements of this claim. None of the retrieved sources confirm that JD Vance appeared on Fox News at 9:00 a.m. or made a statement about the Strait of Hormuz being open. Additionally, there are no sources confirming that the Islamic Revolutionary Guard Corps announced at 10:00 a.m. that the Strait was closed. Without evidence addressing these specific events, the claim remains unverified.