bubble room
n.— «In order to alleviate concerns that the White House has plans for martial law, Representative Peter DeFazio, (D-OR), asked to see the plan for government continuity. As a member of the Homeland Security Committee, DeFazio has the required security clearance to view such a plan. In the past, he has entered what is known as a “bubble room” to view classified documents, and his requests have never been denied.» —“Is Bush Administration Planning Martial Law?” by David Gutierrez RINF.com Oct. 28, 2007. (source: Double-Tongued Dictionary)