A video circulating on X, claiming to show an explosion of a naval mine in the Persian Gulf caused by Iran, has been debunked as false. Fact-checking organization Fast Check identified the footage as originating from a 1958 United States nuclear test conducted in the Pacific Ocean. The video’s initial claim falsely attributed the explosion to recent activity by Iran in the Persian Gulf. A reverse image search revealed the true origin of the footage, disproving the narrative being spread online. This incident highlights the ease with which misinformation can spread on social media platforms. The footage from the 1958 test in the Pacific Ocean was misrepresented and falsely presented as a current event. This demonstrates the need for critical evaluation of information shared online and reliance on verified sources.