The USS '' Brazos '' ( AO - 4 ) was an auxiliary fleet oiler built during World War II for service in the United States Navy , and named for the Brazos River , the longest river in the State of Texas .
The USS '' Brazos '' ( AO - 4 ) was a fleet oilers built during World War II for service in the United States Navy . 
 The lead ship in her class , she was named for the Brazos River , the longest river in the State of Texas .