A U.S. Air Force KC-135 Stratotanker flies during Memorial Day 2019 above the Brookwood American Military Cemetery, Surrey, England, May 26, 2019. Throughout the course of U.S. history, Soldiers, Sailors, Airmen and Marines have given their lives in defense of the Nation. On Memorial Day, we pay solemn tribute to their ultimate sacrifice. (U.S. Air Force photo by Airman 1st Class Jennifer Zima)