Another recent case of cargo by sail that may be a bit more practical: ESA is now sending rocket subassemblies across the Atlantic (to their launch site in Fre

Another recent case of cargo by sail that may be a bit more practical: ESA is now sending rocket subassemblies across the Atlantic (to their launch site in French Guyana) in a hybrid ship equipped with both sails and diesel; the linked article claims the sails reduce fuel consumption by 30%. https://www.esa.int/Enabling_Support/Space_Transportation/Ariane/Shipping_rockets_Ariane_on_board https://www.esa.int/Enabling_Support/Space_Transportation/Ar...