USS Thach (FFG 43), front, BAP Mariategui (FM 54), center, and USS Boone (FFG 28) move into formation for a photo exercise.

110629-N-ZI300-042
PACIFIC OCEAN (June 29, 2011) The guided-missile frigate USS Thach (FFG 43), front, Peruvian navy frigate BAP Mariategui (FM 54), center, and USS Boone (FFG 28) move into formation for a photo exercise during the Pacific phase of UNITAS 52. The formation included a total of 13 ships from the U.S., Chile, Colombia, Ecuador and Peru. UNITAS is a multinational exercise as part of Southern Seas 2011. (U.S. Navy photo by Mass Communication Specialist 1st Class Steve Smith/Released)

110629-N-ZI300-042
 PACIFIC OCEAN (June 29, 2011) The guided-missile frigate USS Thach (FFG 43), front, Peruvian navy frigate BAP Mariategui (FM 54), center, and USS Boone (FFG 28) move into formation for a photo exercise during the Pacific phase of UNITAS 52. The formation included a total of 13 ships from the U.S., Chile, Colombia, Ecuador and Peru. UNITAS is a multinational exercise as part of Southern Seas 2011. (U.S. Navy photo by Mass Communication Specialist 1st Class Steve Smith/Released)