US Submarine Sinks Iran Ship as War Spreads Across Middle East

The United States and Israel are targeting all parts of the Iranian military, leadership and internal security forces as the war in the Middle East continues to escalate and spread. A periscope video shows a U.S. submarine destroying an Iranian navy ship. It’s the first time the U.S. has used a torpedo to sink an enemy vessel since World War II. NBC’s Richard Engel reports and retired Col. Steve Warren, NBC News military analyst and former Pentagon spokesperson, joins TODAY with analysis.