Navy Capt. Thomas N. Negus, commodore of Operation Continuing Promise 2010, shakes hands with Eduardo Barboza, mayor of Limon, Costa Rica, after receiving a key to Limon, Aug. 21, 2010, during the opening ceremony of CP10. Marines, sailors and USS Iwo Jima personnel will conduct medical, dental, veterinary and engineering services to the Limon community as part of the CP10 mission. CP10 is currently deployed to the Caribbean, Central and South America to provide humanitarian civic assistance to eight nations. - Navy Capt. Thomas N. Negus, commodore of Operation Continuing Promise 2010, shakes hands with Eduardo Barboza, mayor of Limon, Costa Rica, after receiving a key to Limon, Aug. 21, 2010, during the opening ceremony of CP10. Marines, sailors and USS Iwo Jima personnel will conduct medical, dental, veterinary and engineering services to the Limon community as part of the CP10 mission. CP10 is currently deployed to the Caribbean, Central and South America to provide humanitarian civic assistance to eight nations.