Executive Order 549
In order that there shall be uniformity in the matter of designating naval vessels, it is hereby directed that the official designation of vessels of war, and other vessels of the Navy of the United States, shall be the name of such vessel, preceded by the words, United States Ship, or the letters U.S.S., and by no other words or letters.
Theodore Roosevelt.
The White House,
- January 8, 1907.
This work is in the public domain in the United States because it is a work of the United States federal government (see 17 U.S.C. 105).
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