For special operations, yes they often modify currently existing equipment. See: http://en.wikipedia.org/wiki/Lockheed_MC-130
I find it hard to fathom that an entirely new class of chopper found its way past the budgetary committee.
But upgrading and "stealthifying" existing units is a way past that.
Hence why toilet seats at the pentagon cost $2,567 to replace.
I am in love with the US military's shadow programs now. Go git 'em boys.


