The most modern Ch'ŏnma-ho tanks seem to be the IV and V versions. The Ch'ŏnma-ho IV is fitted with what resemble EDZ light explosive reactive armour bricks. Judging by photographs, these are mounted specifically on the turret side, with at least eight bricks per side. The Ch'ŏnma-ho IV is reported to be upgraded with new side-mounted smoke launchers. North Korea is rumored to have received a few examples of the T-72s after 1992, and possibly a single T-90S main battle tank in August 2001. Any conclusion regarding whether the Ch'ŏnma-ho has been upgraded to the standards of either the T-72 or the T-90S would be highly speculative at this point.