The RM-70 (Raketomet vzor 1970) multiple rocket launcher is a Czechoslovak Army version and heavier variant of the BM-21 Grad multiple rocket launcher, providing enhanced performance over its parent area-saturation rocket artillery system that was introduced in 1971 (the NATO designation is M1972). RM-70 was developed in Czechoslovakia as a successor for the RM-51, achieving initial ...