Iran retaliated against the U.S. on Monday, launching missiles at a U.S. base in Qatar, according to a U.S. defense official and a statement from the Qatar foreign ministry. The missiles targeted Al Udeid Air Base outside Doha and were intercepted by air defenses before they could strike the base,

The Pentagon already had begun taking measures to strengthen its firepower in the Middle East and protect U.S. bases there.

By Andrew Mills, Parisa Hafezi and Alexander Cornwell DOHA/ISTANBUL/TEL AVIV (Reuters) -Iran's military said it carried out a missile attack on the Al Udeid U.S. airbase in Qatar on Monday after explosions were heard across the Qatari capital following Tehran's threat to retaliate for U.