TRITAO (R-21) class

 3 TRITAO-class OCEANGOING TUGS (ATF)

 Name        Pendant No.   Commissioned      Status

 TRITAO      R-21          July 23, 1986     Active
   (ex-Brazilian M/V SARANDI)
 TRIDENTE    R-22          Feb. 19, 1987     Active
   (ex-Brazilian M/V SAMBAIBA)
 TRIUNFO     R-23          Oct. 8, 1987      Active
   (ex-Brazilian M/V SOROCABA)

These vessels began as oilfield supply tugs for Petrobas, then were purchased by the navy during construction in May 1986. They are used...