Pyongyang says it may also prevent access into or out of a joint industrial complex in the North Korean city,Kaesong, potentially trapping hundreds of South Korean business managers there.
VOA: standard.2010.05.27
Until now, operations at the jointcomplex have been normal despite the rise in tensions.
The military needs such systems, particularly when soldiers are involved in international coalitions, joint humanitarian and peacekeeping missions that require complex resource sharing requirements.