Mitch Landrieu (left), mayor of New Orleans, thanks civilian and military organizations for their efforts in eliminating veteran homelessness in New Orleans at Gallier Hall, Jan. 29, 2015. With the help of these organizations, Landrieu’s administration has built a response system that can find housing for veterans in an average of 30 days. (U.S. Marine Corps photo by Cpl. Ian Leones)