By Order of the President of the United States: As a mark of respect for the memory and longstanding public service of Representative Elijah E. Cummings, of Maryland, the flag of the United States shall be flown at half-staff at the White House and upon all public buildings and grounds, at all military posts and naval stations, and on all naval vessels of the Federal Government in the District of Columbia and throughout the United States and its Territories and possessions through October 18, 2019.