President Donald Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israel strikes attack targeting military and government sites, officials said.

Iran said the reversal was designed to lower energy prices and "buy time" for Trump's military plans. Trump had threatened to "obliterate" Iran's power plants unless it ends a blockade of the crucial Strait of Hormuz that has sent global energy prices soaring.

Over the decades, Iran gained repeated proof that it didn’t need to defeat America on the battlefield; it just had to make the American people feel the war in their living room. And now, in a war for its survival,

The war in Iran is pushing up prices for already-strained farmers, with higher costs for fertilizer and energy on top of last year’s tariffs. And the increasing pressure on American agriculture could lead to even bigger price tags at the grocery store.

The US Department of State issued a worldwide security alert Sunday, urging Americans across the globe to be wary of threats from Iran-linked groups. “The Department of State advises Americans worldwide,

The response follows a coordinated warning by the coalition, which condemned Iran’s actions targeting commercial vessels and energy infrastructure in the Gulf.

Iran fired the two missiles at the joint U.S.-U.K. Diego Garcia base in the Indian Ocean but they failed to reach their target, U.K. minister says.

Since the U.S. and Israel launched coordinated attacks on Iran on Feb. 28, at least 13 American service members have been killed. Here is a look at those who made the ultimate sacrifice for the country.