1. 
   HVM
   Hypervelocity air-to-air missile program [US]
   Found op http://www.jedsite.info/index.html
   
   
2. 
   HVM
   Heater Vent Mondule
   Found op http://www3.sympatico.ca/dhaughey/j1930.htm
   
   
3. 
   HVM
   [Naval Acronyms and Slang] Hyper Velocity Missile
   Found op http://www.encyclo.co.uk/local/21733
   
   
4. 
   hvm
   1) Hypervelocity air-to-air missile program
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/hvm/1
   
   

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