Chief Warrant Officer Patrick J. Halinski instructs the crash and salvage fire team during a drill aboard the multipurpose amphibious assault ship USS Iwo Jima. Iwo Jima is en route to Central and South America and the Caribbean on a humanitarian civic assistance mission. The medical and engineering staff embarked aboard Iwo Jima will work with partner nations to provide medical, dental, veterinary and engineering assistance to several different nations.