Hidden details in the video of a US submarine sinking an Iranian warship, according to a WWII expert

A split image showing a US Navy submarine torpedoing an Iranian warship.

US Department of Defense

• A US Navy submarine sank an enemy vessel for the first time since World War II in combat with Iran.
• A WWII expert told Business Insider the attack looked "remarkably similar" to a 1945 US submarine engagement.
• The video suggests that a Virginia-class submarine carried out the attack before dawn.

For the first time since World War II, a US Navy submarine has sunk an enemy vessel in combat.