The Soviet Union declared its plan to intervene in Afghanistan on 12 December 1979, and the Soviet leadership initiated Operation Storm-333 (the first phase of the intervention) on 27 December 1979.
Uni Soviet berencana untuk menginvasi Afganistan pada 12 Desember 1979, dan memulai Operasi Badai-333 (fase awal intervensi) pada 27 Desember 1979.