T HERE ARE two ways of looking at the trip made by Emmanuel Macron, France’s president, to Greenland on June 15th. At one ...

Four uncrewed robotic sailboats known as “Voyagers” have been put into service by the Danish Armed Forces for a three-month operational trial. They are built by California-based Saildrone.

Four uncrewed robotic sailboats, known as “Voyagers,” have been put into service by Denmark's armed forces for a three-month operational trial.      Built by Alameda, California-based company ...