Ukraine's arms makers say they need to figure out how to constantly update their weapons — without slowing output

Arms makers want to be able to make constant changes to their products, but with enough stability to be able to produce at scale. Sean Gallup/Getty Images Ukraine's arms makers must constantly update weapons to keep them relevant. But frequent redesigns can slow production when the military needs weapons at scale. Companies are changing how they build gear to balance speed, scale, and adaptation. Defense companies supplying Ukraine's army are trying to strike the right balance between constantly updating their weapons to stay on the cutting-edge of combat technology and producing enough of them for the fight against Russia's invasion . The war is changing so quickly that battlefield technology can become outdated within weeks, forcing arms makers to continually adapt their products to new threats and countermeasures. Companies have changed how they design and manufacture weapons to move faster.