The Navies of Colombia and Brazil started combined exercises including: search and rescue, maritime interdiction, communications, boarding, and other maneuvers in the Caribbean, on October 1, according to a military statement released in Bogotá. By Dialogo October 03, 2012 Operation Cobra performs different international operations with the Colombian Navy to increase the readiness and training of ships and crews. The ship will join the Colombian frigate ARC Caldas in the joint training called Operation Cobra. The Brazilian Navy Ship Greenhalgh, one of the most emblematic and famous ships to have participated in the Atlantic Phase of UNITAS, arrived in the port of Cartagena for the drills. So far this year, there have been similar operations performed with the Netherlands and France.