The five other rigs were operating offshore Norway, UK, and Australia.
A United States Navy ship with helicopters and special communications gear is operating just offshore to provide administrative support for the visit, officials said.
It had positioned its fleet to operate offshore with more than 50 units in five continents.
The Navy is already operating offshore to intercept any Qaeda fighters who may be going in by sea.
Federal law barred any regulated fund from owning more than 3 percent of any other fund, but by operating offshore, Bernie was exempt from that limit.
Traffickers increasingly operate offshore, taking advantage of better arms, faster boats and more efficient tracking equipment than those available to local security forces.
Many Labour politicians operate offshore, everyone seems to have forgotten about Geoffrey Robinson & Lord Sainsbury.
We got a carrier group operating offshore.
There is still a very small fleet of day fishing boats operating offshore of the Hampton area, and landing on the beach at Herne Bay.
Radio Altimeters, with both audio and visual decision height warning, would be fitted to all helicopters operating offshore as a matter of urgency.