We saw on September 12, in response to the Polish air incursion, the setting up of Eastern Sentry, as my colleague mentioned. That's a new activity for NATO. It is looking to gather some additional capabilities and forces, including fighter aircraft, early warning systems and jamming capabilities. It will be mixing traditional capabilities and novel technologies, so this is ramping up.
There is also a cost curve involved in shooting down drones, for example. Some of these are not very expensive to produce. Russia can mass-produce these. Using high-end fighter aircraft and high-end missiles to shoot those down at a cost of hundreds of thousands is—