USS Iwo Jima Sailors participate in a swim call.

100922-N-1531D-221 
CARIBBEAN SEA (Sept. 22, 2010) Aviation Ordnanceman Airmen Shawn Parks, left, from Winston-Salem, N.C., and Leanbro Rozon, right, from New York, both assigned to the multipurpose amphibious assault ship USS Iwo Jima (LHD 7), jump into the Caribbean Sea during a swim call off the coast of Bluefields, Nicaragua. Iwo Jima is anchored off the coast of Nicaragua conducting a Continuing Promise 2010 humanitarian civic assistance (HCA) mission. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jonathen Davis/Released)

100922-N-1531D-221 
 CARIBBEAN SEA (Sept. 22, 2010) Aviation Ordnanceman Airmen Shawn Parks, left, from Winston-Salem, N.C., and Leanbro Rozon, right, from New York, both assigned to the multipurpose amphibious assault ship USS Iwo Jima (LHD 7), jump into the Caribbean Sea during a swim call off the coast of Bluefields, Nicaragua. Iwo Jima is anchored off the coast of Nicaragua conducting a Continuing Promise 2010 humanitarian civic assistance (HCA) mission. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jonathen Davis/Released)