The office trailers are used for safety briefings, progress meetings and consultation among supervisors on the 12-hour shifts, according to people familiar with the refinery.
He offered little new information about the circumstances leading to the disaster and said the board would not deliver daily briefings on its progress.
During the Persian Gulf war of 1991 under the first President Bush, Mr. Powell was the chairman of the Joint Chiefs of Staff, giving pungent and tough-minded briefings on the progress on the battlefield that brought him into every American household.
John Prescott's officials also requested briefings on the progress of the casino application and suggested a minister at the department of culture, media and sport should meet AEG's representatives.
In an e-mail, Edward Martelle, a spokesman for American Airlines, detailed the lengths to which the airline has gone to locate the cat, including setting up humane traps, issuing a "pet Amber alert," and holding daily briefings "to review progress and generate ideas for locating Jack".
* Daily briefings are occurring to review progress and generate any ideas for locating Jack.
Representative John D. Dingell, a Michigan Democrat, has requested regular briefings from the S.E.C. and N.A.S.D. on their progress identifying spoofing.
At the level of the individual pilot or weapon system operator though, without the intelligence briefings available to their bosses, the sense of progress is less tangible.
The U.S. Health and Human Services Department will begin regular news briefings on Thursday to provide updates on "the progress that's being made and on the efforts that are being undertaken, both to address the technical problems and to make the whole experience for American consumers better," White House spokesman Jay Carney said.
After a weekend of briefings about the attack on U.S. troops in South Sudan and the progress of health insurance enrollments under the Affordable Care Act, the Obamas scaled back their official duties over the holiday.
