Antarctic resupply ship to replace broken Australian icebreaker RSV Nuyina also breaks and returns to port

An Antarctic expedition ship chartered to replace Australia's broken icebreaker has had to limp back to Hobart due to mechanical problems. Key points: The interim Antarctic resupply ship taking over from the broken RSV Nuyina is back in Hobart with mechanical issues The Australian Antarctic Division says the impact on cargo for research stations is being assessed The second broken ship is not expected to delay the timing of returning expeditioners Australia's multi-million-dollar icebreaker, the RSV Nuyina, which conducts science missions and ferries scientists and supplies to Antarctica, only started service late last year. The Australian Antarctic Division says another vessel, the Happy Diamond, was chartered for a cargo mission but en route to Antarctica it broke and had to return to port in Hobart. "The Australian Antarctic Division is highly experienced in implementing contingency plans and adapting to the challenges posed by operating in the Antarctic environment and planning is continuing for Voyage 4," a spokesperson said.