By the President of the United States of America
A Proclamation
As a mark of respect for the American servicemen who died as a result of the accident aboard the USS IOWA, which occurred on April 19, 1989, I hereby order, by the authority vested in me as President of the United States of America by section 175 of title 36 of the United States Code, that the flag of the United States shall be flown at half-staff 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 until sunset, Tuesday, April 25, 1989. I also direct that the flag shall be flown at half-staff for the same length of time at all United States embassies, legations, consular offices, and other facilities abroad, including all military facilities and naval vessels and stations.
In Witness Whereof, I have hereunto set my hand this twenty-first day of April, in the year of our Lord nineteen hundred and eighty-nine, and of the Independence of the United States of America the two hundred and thirteenth.
GEORGE BUSH
George Bush, Proclamation 5960—Death of American Servicemen on Board the USS Iowa Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/268808