Wreath Laying Defense Secretary Dr. Mark T. Esper, former President George W. Bush and former Defense Secretary Donald H. Rumsfeld participate in a wreath-laying ceremony at the Pentagon Memorial, Sept. 11, 2019. SHARE IMAGE: Download Image: Full Size (1.27 MB) Tags: Pentagon Memorial, 9/11, Bush, Esper, observances, Rumsfeld Photo By: Army Staff Sgt. Nicole Mejia VIRIN: 190911-A-AP390-2166.JPG Photo Gallery