Light Moment Marine Corps Gen. Joseph F. Dunford Jr., left, chairman of the Joint Chiefs of Staff, shares a light moment with retired Army Gen. George W. Casey Jr., center, the 36th Army chief of staff and current chairman of the USO board of governors, and USO President and CEO J.D. Crouch II during the USO 75th anniversary reception in Washington, D.C., Feb. 4, 2016. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro SHARE IMAGE: Download Image: Full Size (0.91 MB) Tags: USO 75th Anniversary, United Service Organizations , Joseph F. Dunford Jr. , USO , d.c., marine, CJCS, Chairman of the Joint Chiefs of Staff, MARINE CORPS Photo By: Petty Officer 2nd Class Dominique A. Pineiro VIRIN: 160204-D-PB383-308.JPG Photo Gallery