Storyline · National security and defenceUkrainian forces concealed operations from enemy during 'Vivaldi' mission1 event · 1 source · 1/7 blocs · latest event 2d agoFollow the storyline “Ukrainian forces concealed operations from enemy during 'Vivaldi' mission”Chronology22 Sept17:081 source · 2dUkrainian forces concealed operations from enemy during 'Vivaldi' mission1 of 1 events