“It’s not just that the pie is getting smaller: Traditional defense firms’ percentage slice of that pie is shrinking as well. That’s because what little growth is happening is increasingly moving away from old-fashioned heavy metal – tanks, ships, planes – to information technology, from sensors to communications to cybersecurity. An invasion of IT companies from the much larger and more dynamic civilian economy hardly bodes well for traditional defense firms.”
Source:Deloitte Details Bleak Outlook For Global Defense Industry « Breaking Defense