Ukraine's defense industry says the fight against Russia has shown it that the West's approach to weapons is wrong

Ukraine's defense industry is urging the West to abandon its longtime fixation on high-end, expensive weaponry in favor of cheaper, mass-produced arms, the kind needed to survive and win a grinding war of attrition against an adversary like Russia. Serhiy Goncharov, the CEO of the National Association of Ukrainian Defense Industries — which represents about 100 Ukrainian companies — told Business Insider the West's long-standing focus on fielding limited numbers of cutting-edge systems could be a serious disadvantage in a protracted conflict. Those systems are good to have, but mass is key. The war in Ukraine shows that instead of...