Task: Text Categorization
Input (English): Text:  USS Astrea (SP-560) was a United States Navy patrol vessel in commission from 1917 to 1919 or 1920.Astrea was built as a private motorboat of the same name by Rood and Benner in 1916. On 7 June 1917 the U.S. Navy enrolled her for use as a section patrol boat in World War I and her owner Ralph DeConta of East Boston Massachusetts delivered her to the Navy on 17 June 1917. She was commissioned as USS Astrea (SP-560) on 27 June 1917.
Output (English): 6