NEW YORK CITY -- Chairman of the Joint Chiefs of Staff Adm. Mike Mullen greets New York Army National Guard Capt. Sean O’Donnell, a member of Headquarters Detachment 104th Military Police Battalion, at the Robin Hood Foundation Dinner here on May 9. The Foundation, which targets poverty in New York City, is launching an initiative to aid veterans in New York City. Mullen was a featured speaker at the event, and members of the Army and Army National Guard were invited to the dinner. The dinner included a performance by pop singer Lady Gaga.