Russia’s extraordinary show of force in and around Ukraine underscores the military imbalance between the two countries. 

The U.S. military is considering some major shifts to its posture in Europe, including a large withdrawal from bases in Germany, that are raising security concerns on the continent.

The inauguration of President Joe Biden was unlike any U.S. power transition in modern times, providing stark imagery of a country at a crossroads.  

A pending U.S. withdrawal from the Treaty on Open Skies has alarmed some allies in Europe, who fear losing a valuable means of monitoring Russia.