"3.09"^^ . "7.35"^^ . . . "2.4"^^ . . . . "BM-21 \"Grad\""@en . . . . "The BM-21 launch vehicle (Russian: \u0411\u041C-21 \"\u0413\u0440\u0430\u0434\"), (Grad) a Soviet truck-mounted 122 mm multiple rocket launcher, and a M-21OF rocket were developed in the early 1960s. BM stands for boyevaya mashina (combat vehicle), and the nickname grad means \"hail\". The complete system with the BM-21 launch vehicle and the M-21OF rocket is designated as the M-21 Field Rocket System. The complete system is more commonly known as a Grad multiple rocket launcher system."@en . . . . . . . . . . . . .