As the North Atlantic Treaty Organization (NATO) celebrates its 70th anniversary this month, Americans overwhelmingly say being a member of NATO is beneficial for the United States.
Overall, 43% of Americans say withdrawing American troops from Syria would be the right decision, while 45% say it would not.
About half of U.S. adults say the country's mission in Afghanistan has mostly failed in achieving its goals, while about a third say it has mostly succeeded.
Half of Americans say using military force against countries that may seriously threaten the U.S. – but have not attacked it – can often or sometimes be justified.
Americans give strongly positive ratings to teachers and members of the military, while ratings of political and ideological groups – Democrats, Republicans, liberals and conservatives – are much less positive, and more starkly divided along partisan lines.
John Kelly is the first chief of staff in more than four decades to come from the upper ranks of the military, and unlike most of his predecessors he has no prior work experience in the White House or campaign politics.
U.S. veterans, who broadly supported Donald Trump in the 2016 election, have remained positive about the job he is doing as president.
At least four secretaries of state previously worked as top executives for large private-sector companies.
As Sunni militants make a major military push against the central government in Iraq, the Obama administration is said to have rebuffed requests from Prime Minister Nuri al-Maliki to use drones to strike at extremist bases. That reported reluctance follows years of U.S. military intervention in Iraq that many Americans say was misguided and failed to achieve its goals.
Veterans returning from serving in Iraq or Afghanistan say they have found re-entering civilian life to be difficult. A significant share says they have experienced outbursts of anger in daily life. Others say their mental or emotional health is worse since their time in the service, or that they have suffered post-traumatic stress disorder.