Ukraine is helping the US catch up with modern warfare—for now

Even as the Pentagon designs new tactics and tech based on lessons from Ukraine—like the new attack drones it is testing—some say the United States is still undervaluing its relationship with Kyiv.​​Take the Low-Cost Unmanned Combat Attack System, or LUCAS, a one-way attack drone modeled on wrecked Russian Shahed-136s recovered by Ukrainian troops. Developed by Arizona-based SpektreWorks, the LUCAS appeared earlier this year in a Pentagon courtyard display of new programs