1. 
   BM-21
   122mm multi-barrelled rocket launcher series [SU;RU]
   Found op http://www.jedsite.info/index.html
   
   
2. 
   Bm-21
   The BM-21 is a Soviet made multiple-rocket launcher first produced during the 1960s and during the 1980s used by the PLO in Beirut. The BM-21 is manned by a crew of six and armed with 40 122 mm rocket tubes. A V-8 petrol engine provides a top speed of 75 kmh and a range of 405 km. The rockets fly at...
   Found op http://www.probertencyclopaedia.com/browse/FYB.HTM
   
   

Tip: double click on a word to show its meaning.