Poland army soldiers tank
Polish troops in the Armed Forces Day Parade in Warsaw on August 15.
  • Russia's ongoing war with Ukraine has upended the security situation in Europe.
  • In response, European countries, especially those in Eastern Europe, are buying more weapons.
  • Two of Ukraine's neighbors, Poland and Romania, are spending big on jets, tanks, and artillery.

Russia's invasion of Ukraine has upended European security, driving countries there to plan once again for the possibility of a major land war.

Those European countries have transferred billions of dollars' worth of military hardware to Ukraine, and now they are seeking to rebuild their own stocks.