Iran

Trump threatened additional economic sanctions on Iran, but drew back from ordering retaliation for the strike.

The U.S. has overwhelming force in the region, but war with Iran could come at a heavy cost.

Air Force Gen. John Hyten, vice chairman of the Joint Chiefs of Staff, was called back to Washington, D.C., from Europe.

The Pentagon is calling on Iran to come to the negotiating table and abandon plans for retaliation following a deadly strike.

It's the first retaliatory action by Iran in the wake of Maj. Gen. Qasem Soleimani's killing.

In three "notice to airmen" messages, the agency prohibits flights over Iraq, Iran, the Persian Gulf and Gulf of Oman.

If you get a text message saying you've been drafted, you can ignore it.

He said he had been informed that attacking cultural sites would be against international laws.

"The Department of Defense did excellent work," Pompeo said.

Defense Secretary Mark Esper told reporters Monday that troops will "follow the laws of armed conflict."