БМ-21 BM-21グラド BM-21グラド自走多連装ロケット・システム Grad Град M1964
The [b]BM-21 "Grad"[/b] is a self-propelled 122 mm multiple [b][[rocket launcher]][/b] designed in the [[Soviet]] Union. The system and the M-21OF rocket were first developed in the early [[1960s (style)|1960s]], and saw their first combat use in March 1969 during the Sino-Soviet border conflict. BM stands for [[Russian text|Russian]] phrase [b]боевая машина[/b] [Boyevaya mashina] ([[military vehicle|combat vehicle]]), and the nickname "Grad" means "hail".

In NATO countries, the complete system was initially known as the M1964. The M-21 field rocket system with a BM-21 launch vehicle (122 mm multiple rocket launcher (MRL) system) entered service with the [[Soviet Army]] in 1963. The launch [[ground vehicle|vehicle]] consists of a [b][[Ural-375]]D 6×6 [[truck]][/b] chassis fitted with a bank of rectangularly arranged 40 launch tubes that can be turned away from the unprotected cab.

h1. See also
* [[list of ground vehicles]]
* [[list of weapons]]
* [[missile]]
* Wikipedia entry: "BM-21 Grad":[https://en.wikipedia.org/wiki/BM-21_Grad]
bm-21