More artillery ammunition, most notably from the Czech Republic of 500,000 155mm artillery shells. But the problem is, what is the timeline for the rest of the equipment . And we have to bear in mind that Patriot Air Defence systems are quite expensive. So one battery costing up to 1. 2 Billion was interceptor missiles. And it also requires training for troops and for maintenance crews. So its notjust like you put that system somewhere and leave it be and it does the job. So can ukraine meet those requirements and how many interceptor missiles will it be needing . So there are a lot of questions there. How much of the critical infrastructure can ukraine cover with these Air Defence systems, given the fact that the russians are operating almost with impunity right now with their missiles and their drones