BM-21 Grad: Perbezaan antara semakan

'''BM-21''' pelancaran kenderaan (Rusia: БМ-21 "Град"), (Grad) adalah trak Soviet yang dipasang di 122 mm pelancar roket multiple,<ref>[http://www.janes.com/articles/Janes-Armour-and-Artillery/Splav-122-mm-BM-21-multiple-rocket-launcher-family-Russian-Federation.html Splav 122 mm BM-21 multiple rocket launcher family (Russian Federation), Multiple rocket launchers], Jane's Armour and Artillery</ref> dan dalam roket M-21<ref>[http://www.janes.com/articles/Janes-Ammunition-Handbook/122-mm-BM-21-Grad-series-rockets-Russian-Federation.html 122 mm BM-21 Grad-series rockets (Russian Federation), Artillery rockets], Jane's Ammunition Handbook</ref> telah dibangunkan pada awal 1960-an. BM bermaksud boyevaya mashina, 'kenderaan tempur, dan grad nama samaran bermaksud' hujan batu.