The insertion of a complete, prefabricated replacement hull section in a badly damaged ship at anchor. On Friday 22nd July, 2011 the Tsavliris Salvage Group urgently dispatched salvage tug Stevns Battler in response to a call for assistance from bulk carrier Navios Sagittarius (GRT: 38,849, DWT: 75,756), laden with 73,419 metric tons of iron ore pellets. The Sagittarius had run aground on the Tonneberg Banke, about 23.5 miles east of Frederikshavn, Denmark, while on passage from Finland to China.