Sailors perform nautical chart corrections aboard Thach.

110509-N-NL541-126
ATLANTIC OCEAN (May 9, 2011) Quartermaster Seamen Quinntavius Wallace and Ephrain Rivera, both assigned to the guided-missile frigate USS Thach (FFG 43), perform nautical chart corrections while Thach is anchored off the coast of Rio Grande, Brazil. Thach is participating in the Atlantic phase of UNITAS 52 with the U.S. Coast Guard, and navies from Brazil, Mexico, and Argentina. (U.S. Navy photo by Mass Communication Specialist 3rd Class Stuart Phillips/Released)

110509-N-NL541-126
 ATLANTIC OCEAN (May 9, 2011) Quartermaster Seamen Quinntavius Wallace and Ephrain Rivera, both assigned to the guided-missile frigate USS Thach (FFG 43), perform nautical chart corrections while Thach is anchored off the coast of Rio Grande, Brazil. Thach is participating in the Atlantic phase of UNITAS 52 with the U.S. Coast Guard, and navies from Brazil, Mexico, and Argentina. (U.S. Navy photo by Mass Communication Specialist 3rd Class Stuart Phillips/Released)