The Government of Argentina's National Scientific and Technical Research Council acquired her in 1966 and renamed her El Austral, transferring her to the Argentine Naval Prefecture in 1996 as the training and survey ship PNA Dr. Bernardo Houssay (MOV-1).

In 2005 it was decided that a replacement vessel with modern capabilities and equipment was required, and a new ship was built in Argentina with a hull and rig along similar lines.

[2] Columbus Iselin II, her first master and a major influence in her design, felt that steadiness, silence and cruising range were of greater importance than speed.

In 1964, Atlantis was offered to the government of Argentina and refurbished for the National Scientific and Technical Research Council (Consejo Nacional de Investigaciones Científicas y Técnicas - CONICET).

[10] However, she remained berthed in Dock E, Buenos Aires, out of use, until 2005, when she was moved to the nearby Tandanor shipyard with a view to restoring her to active service as a training ship.