 A lot of commercial technologies that are coming into battle and which are fielded by Russian forces on a regular basis, such as Chinese-made quadcopters or civilian-donated FPV-type drones and other UAVs in very large quantities. So it's a mix of some of these newer tech as well as some of the older and existing technologies. And this war, at this point, in mostly tactical engagements, which take place anywhere between 0 to 10 kilometers from the line of contact,