The country’s postwar Constitution is under scrutiny as Japan rebuilds its military, spooked by a rising China and other potential threats.

© Chang W. Lee/The New York Times

Eighty years after the atomic bombing, some Japanese think that peace for peace’s sake is no longer enough.

© Chang W. Lee/The New York Times

What the world’s only atomic bombings, carried out by Americans, did to Hiroshima and Nagasaki.

© United States Army