“On Monday, we will remember those who have made the ultimate sacrifice for our Nation. Memorial Day was first officially observed on May 30, 1868, when flowers were placed on the graves of service members at Arlington National Cemetery,” explained U.S. Army Corps of Engineers (USACE), Mobile District Commander, Col. James DeLapp. “Here at the Mobile District, we continue the tradition of taking time to remember and honor the men and women that gave their lives for the freedoms we enjoy, said DeLapp.