Apple (NASDAQ:AAPL) may be the third major smartphone maker to receive approval from the U.S. Department of Defense for use in the Pentagon, but is in no way the least influential. While Cupertino may be playing catch-up in this single area to BlackBerry (NYSE:BB) and Samsung -- the first smartphone maker to get approval for a Google (NASDAQ:GOOGL) Android device -- the company is well positioned on multiple levels. Now Nokia and the Microsoft Windows Phone operating system are the last major players not granted access.

In the video below, contributor Doug Ehrman discusses the details of the Pentagon approval, what it means for the company, and what longer-term impact it might have.

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