Surge in this country about Iran going to war are behind an unprecedented show -- naval force today in the Persian gulf just outside the Strait of Hormuz. ABC's -- different reports in from the region... See More
Surge in this country about Iran going to war are behind an unprecedented show -- naval force today in the Persian gulf just outside the Strait of Hormuz. ABC's -- different reports in from the region tonight. Officially it's a defensive exercise. It's actually -- very -- warning were wrong. Wounded when he ships. Sailors from thirty countries. In massive buildup to convince Iran not to close this strait if Israel attacks Iran's nuclear program it. That breath. That -- we'll go to war with Iran Iran was mindful. Of threats there -- -- my job is to make sure history is ready for anything. Anything means intimidating guns went from -- control room. On the USS Ponce that we've -- Everything whether. It doesn't matter who it is whether this. Ships with -- drones submarines and hunt for mind. In the senate aren't quite -- through the bottom. It's just the street all of -- -- Underwater bomb squads attach explosives to mines to detonate -- safely. How important is -- these waters. Lots of free access -- waterway could have catastrophic economic consequences. Iran says it soon -- -- launch its own exercise in these very same waters and David that means the gunboat diplomacy. Will continue.
This transcript has been automatically generated and may not be 100% accurate.