Estonians conduct military exercises in Nerva The Defense Forces will conduct joint exercises with allies between October 26 and 30. On October 27, flights are expected in the city, including at low altitude. Temporary safety zones will be created at Narva Airport, in Reykjavíkula and at the Kernholm factory site. The perimeters will be maintained by the army; Unauthorized entry is prohibited. There are no plans to restrict traffic and public roads. Residents are asked to be aware of a possible increase in the intensity of the flight and the time limits associated with the exercise.