Bagram Visit Medal of Honor recipient and retired Army Capt. Flo Groberg speaks to service members as Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, stands by during a USO Holiday Tour show at Bagram Airfield, Afghanistan, Dec. 24, 2017. SHARE IMAGE: Download Image: Full Size (1.73 MB) Tags: Marine Corps Photo By: Air Force Staff Sgt. Divine Cox VIRIN: 171224-F-ZP572-769Y.JPG Photo Gallery