Lt. Michael Kavanaugh, front, and Hospital Corpsman 1st Class Robyn Murillo take water samples from a boat during their tour of

100910-N-1531D-099
PUERTO BARRIOS, Guatemala (Sept. 10, 2010) Lt. Michael Kavanaugh, front, Preventive Medicine entomologist, from Jenks, Okla., and Hospital Corpsman 1st Class Robyn Murillo, from Lebanon, Mo., take water samples from a boat during their tour of looking for contaminated water in Puerto Barrios, Guatemala. The multi-purpose amphibious assault ship USS Iwo Jima (LHD 7) is anchored off the coast of Guatemala conducting Continuing Promise 2010, a humanitarian and civic assistance mission. The assigned medical and engineering staff embarked aboard Iwo Jima are working with partner nation teams to provide medical, dental, veterinary and engineering assistance to eight different nations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jonathen E. Davis/Released)

100910-N-1531D-099
 PUERTO BARRIOS, Guatemala (Sept. 10, 2010) Lt. Michael Kavanaugh, front, Preventive Medicine entomologist, from Jenks, Okla., and Hospital Corpsman 1st Class Robyn Murillo, from Lebanon, Mo., take water samples from a boat during their tour of looking for contaminated water in Puerto Barrios, Guatemala. The multi-purpose amphibious assault ship USS Iwo Jima (LHD 7) is anchored off the coast of Guatemala conducting Continuing Promise 2010, a humanitarian and civic assistance mission. The assigned medical and engineering staff embarked aboard Iwo Jima are working with partner nation teams to provide medical, dental, veterinary and engineering assistance to eight different nations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jonathen E. Davis/Released)