“The competitions, held nearly every weekend, are called war games, but are not intended as fun. The Estonian Defense League, which organizes the events, requires its 25,400 volunteers to turn out occasionally for weekend training sessions that have taken on a serious hue since Russia’s incursions in Ukraine two years ago raised fears of a similar thrust by Moscow into the Baltic States.”
Source: Spooked by Russia, Tiny Estonia Trains a Nation of Insurgents – The New York Times