Casting doubt on the Research In Motion CEO, Thorsten Heins, declaration that he expects at least 400,000 government customers in the United States to upgrade to BlackBerry 10 devices, the US National Transportation Safety Board (NTSB) has revealed its plan to switch to Apple's iPhone 5. The move will take place in phases across calendar year 2013, with the ultimate intention of shifting away from the BlackBerry architecture completely.
