When Panama’s MEC Shipyards won control of a small corner of the Port of Balboa last year, it took on a yard that had been shut for nearly two years and was littered with equipment that had only scrap value

But the main asset — and the chief appeal of this site — was as solid as a rock: the panamax drydock, which is a rare commodity in this part of the world and was built at the same time as Panama’s 100-year-old canal.