Ahead of President-elect Donald Trump’s return to office, Ukraine’s future course is shrouded in uncertainty as it loses ...

Missy Ryan writes about national security and defense for The Washington Post. She joined The Post in 2014 and has written about the Pentagon and the State Department. She has reported from Iraq ...

Two planes were flown into the World Trade Center in New York City, with another hitting the Pentagon outside Washington. A fourth jetliner crashed in a Pennsylvania field after passengers fought ...