Sen. John McCain

A call for "less drama" is issued by the Senate's top Republican amid concern that Trump is sharing secrets with Russia.

American warplanes targeted terrorist fighters, their weapons and equipment in what may be the first U.S. attack in Yemen since a deadly special operations raid in January.

The top U.S. commander in Afghanistan warns Congress that the war there is deadlocked and he needs more troops and billions more dollars to help allies against insurgents and foreign meddling.

Republican presidential candidate Donald Trump stirred more controversy by lashing out at McCain, saying he preferred "people who weren't captured."

The GOP presidential candidate has touched a nerve with his remarks about the Arizona senator's war record, prompting the national commander of Veterans of Foreign Wars to call them "despicable."

The anti-war demonstrators were shouting at former Secretary of State Henry Kissinger, who was attending a Senate Armed Services Committee hearing on global security challenges.

The chairman of the Joint Chiefs of Staff told a Senate panel he supports the president's plan to combat Islamic State militants but that if it proved necessary, he would recommend U.S. ground forces.