U.S.S.

1. United States Senate.

2. United States Service.

3. United States Ship.

4. United States Steamer.

5. United States Steamship.

Also, USS.

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USS (no periods),

United States Ship, Steamer, or Steamship.

U.S.S.,

1. United States Senate.

2. United States Ship, Steamer, or Steamship.

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(also USS) abbr. United States Ship, used in the names of ships in the U.S. Navy

the U.S.S. Maine was launched in 1895