A U.S. Marine Corps Crew Chief sits on a CH-46, based out of Edwards Air Force Base, Calif., during a transport of Marines with Special Purpose Marine Air-Ground Task Force 24 from the USS New Orleans to a beach in Ancon, Peru, on July 7. The unit is embarked on the transport dock ship USS New Orleans in support of operation Partnership of the Americas/Southern Exchange, a combined amphibious exercise designed to enhance cooperative partnerships with maritime forces from Argentina, Mexico, Peru, Brazil, Uruguay and Colombia.