WATERLOO, ON and LONDON, UK. In two separate announcements late last week, both BlackBerry and Samsung Electronics revealed that BlackBerry 10 smartphones and BlackBerry PlayBook tablets running BlackBerry Enterprise Service 10 and Samsung KNOX-enabled smartphones and tablets have been approved for use on U.S. Department of Defense (DoD) networks. The devices were successfully qualified against Security Technical Implementation Guide (STIG) standards by the Defense Information Systems Agency (DISA), and will be placed on the Unified Communications Approved Product List (UC APL).