Furthermore Russian IADS has proven itself against NATO's long range and massive fires, like SCALP, HiMARS, and ATACMS, which are the weapons in the greatest numbers in NATO's arsenal, rendering them ineffective to a large degree, which means NATO has to expend more money into upgrading, bulking up and finding replacements. The financial implications are big, especially when Russia's still building new SAMs at a greater rate than NATO's missile modernization, while at the same time China's putting a lot of pressure on the US