The U.S. Army Chief of Engineers and the Commanding General of the U.S. Army Corps of Engineers (USACE) Lt. Gen. Thomas P. Bostick, left, and the DiLorenzo Tricare Health Clinic (DTHC) Commander Col. Joe Pina, right, sing "Lift Every Voice and Sing" during the DTHCs black history month program at the Pentagon's auditorium in Washington, Feb. 27, 2014. (U.S. Army photo by Eboni Everson-Myart/Released)