BM-21 / 9K51 Grad is a Soviet multiple-launch rocket system. See also Katyusha.
A battery of BM-21
BM-21 in Museum of the Great Patriotic War, Kyiv.
RM-70/85 (a Czechoslovakian version of Grad).
WR-40 Langusta (a Polish version of Grad).
APR-40 (a Romanian version of Grad based on DAC-665T truck) in Beyt ha-Totchan museum, Israel.
APR-40 and a 6-tube launcher in Beyt ha-Totchan museum, Israel.
APR-40 in Beyt ha-Totchan museum, Israel.
9-tube launcher mounted on a GMC truck in Batey ha-Osef Museum, Israel.