The HCS have announced they will fully upgrade their air defence capability based around the SA-6A missile which was co-developed with the HCS Navy (where it is the SA-N-6A). Around 2000 TAA-4 Stoat AA tanks will be upgraded to TAA-4NG standard which includes the new missile (replacing the obsolete SA-4) and improved radar and data-linking. The tanks, many of which are rather old though based on the reliable T-55Z chassis, will also receive a refurbishment.
The TER-1 and WER-1 radar vans (one is tracked and one is wheeled) will be also receiving upgrades to the radar systems and communications multiplexes. Datalinking interoperability with HCSAF and HCSN assets will also be improved.
