171016-N-UC001-002 TALCAUHANO, Chile (Oct. 16, 2017) An Undersea Rescue Command submarine rescue chamber is deployed during a submarine rescue exercise during CHILEMAR VII. The rescue chamber is attached to the hatch of a submarine to retrieve personnel during an emergency. CHILEMAR is a bilateral exercise designed to demonstrate interoperability between the U.S. submarine rescue system and Chilean submarines. (U.S. Navy photo/Released)