DENVER -- Despite neither side securing domain dominance, air warfare has remained a key component for Russia's invasion of Ukraine, highlighting areas for investment in future counter-unmanned aerial systems programs, Commander of U.S. Air Forces in Europe and Africa Gen. James Hecker said. Observing the capabilities used on both sides in the war in Ukraine, Hecker said the U.S. would be able to down unmanned aerial vehicles as needed, but the cost balance would be in an adversary’s favor. The...