“Finland’s defense forces have begun informing 900,000 reservists about their duties during war, as military activity mounts in the Baltic Sea region. The military denied that the letter, originally planned in 2010 to improve contacts with reservists and prepare them for duty, was related to the heightened tensions between the West and Russia amid the Ukraine crisis.”
Source: Finnish Military Informs 900,000 Reservists About War Duty – ABC News