President Donald Trump on Saturday warned that the US could suffer losses against Iran but called the operation "a noble mission."

The US State Department urged US citizens to depart immediately from countries throughout the Middle East “due to serious safety risks.” Follow for live coverage.

Three American service members have been killed and five have been seriously wounded in military operations targeting Iran, the U.S. military said.

The Pentagon is building up the largest force of American warships and aircraft in the Middle East in decades.

There could be more US casualties as part of the military operations against Iran, President Donald Trump acknowledged Sunday. Three American troops have been killed so far, according to the US military.

The Pentagon and the Energy Department have airlifted a small nuclear reactor from California to Utah, demonstrating what they say is potential for the U.S. to quickly deploy nuclear power for military and civilian use.

Germany has been a vital part of the United States' defense strategy in Europe ever since the end of World War II. The US military still maintains a major presence in Germany.US President Donald Trump's latest comments about Greenland have raised questions ...

Three American service members have been killed and five have been seriously wounded in military operations targeting Iran, the U.S. military said.