Secretary of Defense Robert M. Gates and Chairman, Joint Chiefs of Staff Adm. Mike Mullen will conduct a press briefing at 2 p.m. EST in the Pentagon Briefing Room (2E973) to discuss efficiencies initiatives in the Department of Defense. All journalists must be seated by 1:50 p.m. Journalists without a Pentagon building pass will be picked up at the River Entrance only. Plan to arrive no later than 45 minutes prior to the event, have proof of affiliation and two forms of photo identification. Please call 703-697-5131 for escort into the building.