• проводить внеплановые учения – conduct unscheduled exercises
См. также: вне конкурса, внебалансовый, внебрачная любовная связь, внебрачный ребёнок
Mr Shoigu added that the troops were ordered on full combat alert after Mr Putin told the military to conduct unscheduled exercises between June 21 to June 28. (ABC)
Armed soldiers are patrolling the streets of the capital, Suva, and hundreds of reservists have been recalled for unscheduled exercises. (BBC)
