121108-N-QP268-004 NEW YORK (Nov. 8, 2012) Sailors assigned to Mobile Diving and Salvage Unit (MDSU) 2 put on their KM-37 diving helmets for a survey dive on a pier that was damaged by Hurricane Sandy during relief efforts in Staten Island, N.Y. MDSU-2 is operating under the U.S. Northern Command Defense Support of Civil Authorities mission, working closely with civil authorities and the Federal Emergency Management Agency following the destruction caused by Hurricane Sandy. (U.S. Navy photo by Mass Communication Specialist 1st Class Martin Cuaron/Released)