Business Insider I'm a US Marine vet who trained with Ukrainians 20 years ago. Here's the secret to their combat success.
Troy Smothers was a USMC sergeant when he deployed to Ukraine in 2005. He now travels to Ukraine to help build unjammable, fiber-optic drones.
Troy Smothers was a USMC sergeant when he deployed to Ukraine in 2005. He now travels to Ukraine to help build unjammable, fiber-optic drones.