via the BBC...
A rare photo, released by the White House, shows Barack Obama fielding calls from a tent in Brazil, to keep up with events in Libya. The tent is a mobile secure area known as a Sensitive Compartmented Information Facility, designed to allow officials to have top secret discussions on the move. They are one of the safest places in the world to have a conversation.
Designed to withstand eavesdropping, phone tapping and computer hacking, Sensitive Compartmented Information Facilities - also known as SCIFs - are protected areas where classified conversations can be held...
A photo released by the White House showed the president and advisers gathered around a video phone, inside what looked like a standard blue tent, erected on the hotel's floral carpets. (more)