Less than an hour’s drive from downtown Kyiv, a cluster of sleek black modular buildings with metal roofs and dark-tinted glass stand in an open field.

Russia’s military follows a two-pronged drone strategy—using small drones at the tactical level against Ukrainian troops and fortifications, and larger ones to supplement air attacks on major cities.

The Trump administration is taking a page out of Ukraine’s playbook when it comes to drone warfare, according to the Pentagon’s chief technology officer. Emil Michael, the under secretary of Defense for research and engineering,