Laura Bassi (formerly Polar Queen and RRS Ernest Shackleton) is an icebreaking research vessel operated by the Italian National Institute for Oceanography and Applied Geophysics, (in Italian: Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - OGS). Between 1999 and 2019, she was the British Antarctic Survey (BAS) logistics ship, primarily used for the resupply of scientific stations in the Antarctic.