Italy's Defense Ministry has opened a €5.14 billion ($5.86 billion) procurement for a new main battle tank and vehicles built on it, according to a record published Sept. 21 in the database of Italy's National Anti-Corruption Authority (ANAC). The entry,
A bunker. 😜
Mainly the lacking anti-air. Ukraine had barely anything and is often relying on Western high tech in very small numbers or rather primitve measures of manual guns against slow flying mopeds, Russian ones constantly fail to meet the performance they should have on paper.
But a lot of the tactics already exist and adaption is procurement. See for example the mobile anti-air guns most NATO countries lacked or had phased out as too unimportant, so ancient Gepards were bought back from 3rd world countries. That problem was entirely self-created. The tactics and tech to defend mobile units against air threats (including drones) existed for many decades and were just neglected in years where asymmetric warfare was more relevant.