Key takeaways from the U.S. airstrikes on Iran. And, how Iran could respond

Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine discusses the mission details of a strike on Iran during a news conference at the Pentagon on June 22 in Arlington, Virginia.

The Trump administration is defending its strikes on three nuclear sites in Iran, which were carried out without congressional approval. And, a look at how Iran could respond to the U.S. strikes.

(Image credit: Andrew Harnik)