The trench war in Ukraine is a test bed for the future of air combat: drone warfare. “Nowadays, the use of converted drones by Ukrainian military forces is a valuable tool in daily reconnaissance for infantry units on the front line, making strikes against enemy vehicles and artillery positions, as well as providing intelligence for [special operations forces] and providing constant support during patrolling missions,” Staff Sgt. Kostiantyn Denysiuk, a Ukrainian special operations forces company first sergeant, told Coffee or Die Magazine.