
RIO DE JANEIRO (May 2, 2011) The guided-missile frigate USS Thach (FFG 43) departs Brazilian Naval Base Rio de Janeiro after a six-day port visit as part of the Atlantic phase of UNITAS 52. Thach is participating in exercises with the U.S. Coast Guard, and navies from Brazil, Mexico, and Argentina. (U.S. Navy photo by Mass Communication Specialist 1st Class Steve Smith/Released)

