On their anniversaries, Yalta and Helsinki offer lessons for Ukraine, Trump, and the balance of power in Europe.

The basis of Vakmistrov’s flying aircraft carriers would be the Tupolev TB-1 and later TB-3, the largest bombers of their time. Over a dozen configurations would be tested using various fighter ...

Ekranoplans—massive Soviet machines combining elements of ships and planes—were built to be the ultimate coastal transport and military asset. This video explores how they could glide over the water ...