Keywords: National Memorial Day Observance 2015 150525-D-KC128-166.jpg en U S President Barack Obama accompanied by Maj Gen Jeffrey S Buchanan commander of the U S Army Military District of Washington bow their heads after laying a wreath at the Tomb of the Unknowns on Memorial Day Monday May 25 2015 at Arlington National Cemetery in Arlington Va DoD photo by Mass Communication Specialist 1st Class Daniel Hinton/released 2015-05-25 Petty Officer 1st Class Daniel Hinton https //www dvidshub net/image/1954190 150525-D-KC128-166 2015-05-25 15 55 ARLINGTON NATIONAL CEMETERY VA US PD-USGov Ashton Carter in 2015 Barack Obama in May 2015 Jeffrey S Buchanan Tomb of the Unknowns Arlington National Cemetery Memorial Day Images from DoD uploaded by Fæ |