Master Sgt. Kelly Kruger, 445th Force Support Squadron services manager, currently deployed with the 376th Expeditionary Force Support Squadron, blushes as 1st Lt. Robert Doyle serenades her Dec. 23, 2011, during the Tops in Blue "Rhythm Nation" world-tour at the Transit Center at Manas, Kyrgyzstan. (U.S. Air Force Photo/Staff Sgt. Angela Ruiz)