Fednav was a founding member of the St. Lawrence Seaway Management Corporation formed for the authority’s privatisation, and held 50% of CSL Group. It increased its Navios holding from half to full ownership in August 1986 by acquiring United States Steel’s share, then sold a significant minority to Citicorp in 1989. Mitchell separately records a 50% interest acquired in United States Steel Corporation; the source does not explain how that statement relates to the Navios transaction.
Keep the explicit scope label independent; no alias or company identity is inferred.