The author of the New Bedford Light article about turbine blades being transported from New Bedford to Cherbourg posted (below) that there are six blades on the vessel.
It looks like she may get some help from French journalists who have picked up on this story. The Rolldock Sun is scheduled to arrive in Cherbourg on Oct. 16.
GE Vernova or Vineyard Wind could simplify things by explaining the shipment.
Bud's Offshore Energy (BOE) 