On December 24, 1979, Soviet troops began landing at Kabul Airport and at other bases in Afghanistan. By December 27, some five thousand Soviet soldiers were estimated to be in Kabul alone. Soviet troop,, and tanks were crossing into Afghanistan. Afghan soldiers who might have resisted were rendered ineffective when their Soviet advisers had them turn in their ammunition for blanks. On December 27, Soviet spetsnaz troops attacked Prime Minister Amin\u27s palace complex, overcame loyal Afghan troops and killed Amin. Meanwhile, Babrak Karmal, who had been dismissed from his post in the Afghan Foreign Service months earlier and had withdrawn to Moscow, broadcast a speech from Tashkent, purporting to invite the Soviet Union into Afghanistan on ...