The Noble Discoverer slipped its mooring in Unalaska Bay , the Coast Guard says . Hide Caption 2 of 7 Photos:Photos: Searching for MH370 Shell Oil The Noble Discoverer was about 175 yards from shore in Unalaska Bay when it slipped its mooring Saturday and drifted towards shore near Dutch Harbor , says it is investigating the incident . The Noble Discoverer is one of the ships Shell plans to use to drill in the Arctic .
The Noble Discoverer slipped its mooring in Unalaska Bay , the Coast Guard says . Hide Caption 2 of 7 Photos:Photos: Searching for MH370 Shell Oil says it is investigating the incident . The Noble Discoverer is one of the ships Shell plans to use to drill in the Arctic .