Ukraine's arms makers say they need to figure out how to constantly update their weapons

Ukrainian arms makers constantly update weapons to stay ahead of shifting battlefield threats, but frequent redesigns can slow mass production when the military needs large quantities.
Firms are using modular, software-first designs plus 3D printing and even manual assembly so parts can be changed quickly without halting large-scale manufacturing.
The pace of innovation is intense — minor tweaks weekly/monthly and major updates every few months — and Western allies are watching to learn how to move faster.

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