More than 10,000 US military personnel participate in naval blockade against Iran
More than 10,000 US sailors, marines, and aviators, along with more than a dozen warships and dozens of aircraft, are participating in a military operation aimed at blocking maritime access to Iranian ports.

TL;DR
- More than 10,000 US sailors, marines, and aviators are participating.
- Over a dozen warships and dozens of aircraft are involved.
- The operation aims to block maritime access to Iranian ports.
- Six merchant vessels have turned back during the first 24 hours.
- The blockade is being applied impartially to ships of all flags.
- The measure seeks to restrict Iranian maritime trade but not international transit.
- The operation does not interfere with navigation to non-Iranian ports via the Strait of Hormuz.