Motorola will likely still supply radio sets in some of these venues but as a sub-contractor and not as the prime contractor.

FORBES: Icahn's Motorola Morass

For those that can remember, the contract, which named Boeing as a prime contractor to build a security fence on the US- Mexico border, was terminated in 2011, because it was considered to be too expensive and ineffective.

FORBES: An increase in border security could result in more M&A

Lockheed Martin is the SBIRS prime contractor, with Northrop Grumman as the payload integrator.

ENGADGET: First piece of SBIRS missile defense system launched, not shot down