Schilka ZSU-23-4 Upgrade
BEL's Schilka ZSU-23-4 Upgrade at DefExpo 2014
BEL is upgrading Schilka lightly armored tanks equipped with the ZSU-23-4 gun system. Primarily developed to engage low flying aircraft, Schilka tanks were imported from Russia in 1984-85 and have been in use since...