Plans to deploy peacekeeping troops on the ground in Ukraine will require Vladimir Putin’s approval, allies have conceded.

LONDON -- Russian forces could recover their pre-war capabilities within three to five years in the event of a peace deal in Ukraine, according to Adm. Giuseppe Cavo Dragone, the chair of the NATO ...

As the war between Russia and Ukraine escalates, Europeans appear split on whether to deploy troops.

NATO countries stockpile military hardware, but Ukraine's war shows how quickly it can become obsolete, an alliance official said.