The appointment of Mykhailo Fedorov, a Ukrainian former defense minister, showed how other militaries are racing to adapt to battlefield changes accelerated by the war in Ukraine.

© Jędrzej Nowicki for The New York Times

The nearly constant air raids, a shift from years of largely overnight attacks, have left residents exhausted and on edge.

The depot, which was in a civilian area near Kyiv, “definitely shouldn’t have been there,” President Volodymyr Zelensky said.

The strike, on an industrial center in Tatarstan, killed at least 13 people.