Ukraine has the densest air defense in Europe. However, this is not enough against a large number of Russian combat aircraft and helicopters, tactical and cruise missiles.
Therefore, Ukraine is increasing the number of anti-aircraft units. Last year, the S-300V1 and S-300PT systems returned to service.
This week, at the test site near Kherson were tested deep-modernized; ZSU 23-4, S-125. 'Cube' and 'Thor' (it was not modernized, but could be restored).
Several air defense battalions,, armed with these complexes will be in service until the end of the year.
ZSU 23-4 received a new digital radar and missiles based on the MANPADS 'Igla' (in the future, these will be missiles from the Ukrainian MANPADS 'Kolibri'.
SAM "Cube" has three stages of modernization:
1. 90% of its element base is replaced by modern
2. Acquired the ability to fire missiles from the complex "Buk". (there is a large stock in Ukraine)
3 Release of a new single anti-aircraft Ukrainian missaile for these two types of complexes.
The S-125 received a new missile guidance a new fuel, a new warhead. Now he can successfully attack not only air, but also surface targets. The radius of damage to them, increased from 25 to 40 km.