While Iceland has no standing military of its own, it is a NATO country. As such, Iceland allows different NATO countries to conduct exercises - usually air drills - in its air space.RÚV
reports that members of the Portuguese military are currently in Egilsstaðir, in northeast Iceland, to conduct air exercises. A crew of 70, who arrived with six F-16 fighter jets, have been conducting air drills throughout the week, and will continue to do so until Friday.
Below you can see a video of some of the work Portugal is doing to practice military maneuvers in Icelandic airspace, in the unlikely event that a non-NATO country were to engage in a military strike against Iceland.
As a part of NATO exercises, the Portuguese army is currently in Iceland conducting air drills.