The 2015 Association of the United States Army Annual Meeting and Exposition will again this year have as its headquarters the new Marriott Marquis, Association officials said.Located directly across from the Walter E. Washington Convention Center, the Marriott Marquis has 1,175 rooms and 49 suites, and is connected to the convention center by an underground walkway."The Marriott Marquis is a welcome addition to the AUSA Annual Meeting and Exposition. It offers more than 105,000 square feet of superior function space, including a 30,000-square-foot ballroom with a 22-foot ceiling," Michael Scanlan, AUSA’s industry affairs director, said.In addition, the hotel features 54 breakout rooms plus outdoor terraces overlooking the City Center and Penn Quarter neighborhoods.The Marriott Marquis also features five retail stores and restaurants on the ground floor.The AUSA Annual Meeting and Exposition is one of the largest defense expositions and professional forums in the world.Last year, 28,000 attendees, including senior leaders from the Army, Department of Defense and Congress participated in this three-day event.Attendees in recent years include:Secretary of DefenseDeputy Secretary of DefenseSecretary of Veteran AffairsSecretary of Homeland SecurityChairman of the Joint Chiefs of StaffSecretary of the ArmyArmy Chief of StaffSergeant Major of the ArmyDirector of the FBIThis year’s event will once again occupy the entire Walter E. Washington Convention Center, including all five exhibit halls located on the upper and lower levels.There will be over 500 exhibitors from around the world featuring the latest state-of-the-art equipment, technology, products and services for the Army and its soldiers.There will also be professional development events, featuring key leaders from the Army, DoD and Congress who will give timely presentations on the future of the Army and national defense. They include:AUSA Institute of Land Warfare (ILW) Contemporary Military ForumsAUSA Military Family ForumsSergeant Major of the Army ConferenceRetiree SeminarWarrant Officer Professional Development SeminarArmy National Guard SeminarChief, Army Reserve SeminarPre-Retirement/Survivor Benefit- Plan BriefingDepartment of the Army Civilian Professional Development SeminarOver 400 companies serving national defense will be represented on the upper and lower levels of the center.Housing registration opens May 4; Annual Meeting registration opens June 1.For information visit our website:http://ausameetings.org/2015annualmeeting/.