WASHINGTON—Faith in the military took center stage Thursday at the 62nd observance of the National Day of Prayer in Washington, D.C, as lawmakers and faith leaders gathered on Capitol Hill. After a series of speakers addressed those gathered at the Cannon Office Building, U.S. Coast Guard Rear Adm. William D. Lee, took the microphone to represent Americans serving in the military. Lee told the crowd he had 10 minutes of carefully prepared remarks, but he decided to leave them in his chair and “speak from the heart” instead. Lee, who described himself as “a man of deep abiding faith...