This photograph shows President Donald Trump returning a military salute as he passes members of a ceremonial honor guard to return to the White House with First Lady Melania Trump after greeting trick-or-treaters at a Halloween celebration held on the South Grounds on October 28, 2019. For their third Halloween at the White House, the president and first lady invited local schoolchildren and military families to enjoy trick-or-treating, family-friendly activities, and seasonal tunes by the United States Air Force Strolling Strings. This photograph was taken by Matthew D'Agostino for the White House Historical Association.