The videos were shown to Air Force troops as part of Diversity, Equity and Inclusion (DEI) courses they took during basic ...

For Volodymyr Nikulin, being a wartime police officer means aiding evacuees, surviving a shrapnel wound and tackling looters. It also means quickly switching cities when one falls to the invaders.

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Our world has been shaped by two all-consuming conflicts - and by a global superpower stand-off that brought the world to the brink of destruction. Explore the in-depth sections below.

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