Shotguns have been a last line of defense against drones in Ukraine. The US military has also embraced this tactic. US Marine Corps photo by Lance Cpl. Mhecaela Watts

A drone armed with a shotgun has been added to the Pentagon's list of uncrewed systems approved for purchase by the US military and other federal agencies.

Shotguns are commonly seen as a last line of defense against uncrewed aerial systems. Now, US troops could find themselves using a drone armed with one instead.

Earlier this month, Skyborne Technologies' AI-enabled Cerberus MI was approved for the Blue UAS List . The drone is a small, man-portable UAS that the company says was specifically designed to absorb the recoil of attached weapons.…