Command Colors Defense Secretary Ash Carter hands the command colors to Air Force Gen. Joseph L. Lengyel during a National Guard Bureau change-of-responsibility ceremony at the Pentagon, Aug. 3, 2016. Lengyel took over as chief of the bureau during the ceremony, succeeding Army Gen. Frank Grass, right. DoD photo by Navy Petty Officer 1st Class Tim D. Godbee SHARE: Download: Full Size (0.94 MB) Credit: Petty Officer 1st Class Tim D. Godbee VIRIN: 160803-D-SK590-372A.JPG Photo Gallery