(Right to left) U.S. Marine Corps Sgt. Nathan G. Chalman,

(Right to left) U.S. Marine Corps Sgt. Nathan G. Chalman, an amphibious assault vehicle crewman from Holly Ridge, N.C., and Cpl. Dustin R. Wilhelm, an AAV mechanic from La Crosse, Wis., both from Company A, 2nd Assault Amphibian Battalion, attached to Special-Purpose Marine Air-Ground Task Force Continuing Promise 2010, clean the inside compartment of an AAV during wash down procedures aboard amphibious assault ship USS Iwo Jima, off the coast of Georgetown, Guyana, Oct. 23, 2010. Service members and civilians are deployed in support of CP10 providing medical, dental, veterinary, engineering assistance and subject-matter exchanges to Caribbean, Central and South American nations.