[OT] Stupid Military Terminology Question

What is a good generic term for an individual vehicle or squad, other 
than element?  Or, in other words, in the following sentence, what word 
would you substitute for X?

"One Unit consists of one or more seperate X." 

...where X is a tank, helicopter, infantry platoon, secret weapon, or 
something similar.  I am currently working on the military rules for 
Destroy All Monsters!,	and I need a nice, simple term.  "Elements" just

seems a little...unfriendly, if that makes any sense.  Any ideas?  I'm 
not normally this brain dead, but the holidays have taken a lot out of 
me.  Please reply directly to me--there's no need to clutter up the list

with my foolishness.

Thanks,
John Crimmins
john1x@hotmail.com

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