Military officials in four Nordic countries have announced the creation of a unified air-defense force to counter the perceived threat from Russia. Air-force commanders from Denmark, Finland, Norway, and Sweden on March 24 said their forces would be integrated to operate jointly on the basis of NATO standards. Danish Air Force commander Major General Jan Dam told Reuters the move was a result of Russia's 2022 invasion of Ukraine. The countries have about 400 modern jet fighters either in service or on order. To read the original story by Reuters, click here.