NSS Guillobel (K-120) is a submarine rescue ship of the Brazilian Navy. She was launched in 2009 as DSV Adams Challenge and was operated by the company ADAMS Offshore until acquired by the Brazilian Navy as a replacement for the aging submarine rescue ship .
She is the second Brazilian Navy ship to be named after Admiral Renato de Almeida Guillobel, a Brazilian Navy officer who fought in both World Wars and acted as Minister of the Navy from 1951 to 1954.