Swedish Home Guard soldiers take part in a field exercise near Visby on the Swedish island of Gotland on May 17, 2022. - Finland and Sweden are expected to announce this week whether to apply to join NATO following Russia's Ukraine invasion, in what would be a stunning reversal of decades-long non-alignment policies. On Sweden's strategically-located Baltic Sea island of Gotland, Home Guard troops were last week called in for a special month-long training exercise, coinciding with annual military exercises taking place across Finland and Sweden next week. (Photo by Jonathan NACKSTRAND / AFP)