from Egypt and Syria, Prime Minister Golda Meir made the controversial decision not to launch a pre-emptive strike. Meir, among other concerns, feared alienating the United States, if Israel was seen as starting another war, as Israel only trusted the United States to come to its aid. In retrospect, the decision not to strike was probably a sound one, though it is vigorously debated in Israel to this day. Later, according to Secretary of State Henry Kissinger, had Israel struck first, they would not have received "so much as a nail". On October 6, 1973, during the Jewish holiday of Yom Kippur, Egypt and Syria, with the support of Arab expeditionary forces and with backing from the Soviet Union, launched simultaneous attacks against Israel. The resulting conflict is known as the Yom Kippur War. The Egyptian Army was initially able to breach Israeli defenses, advance into the Sinai, and establish defensive positions along the east bank of the Suez Canal, but they were later repulsed in a massive tank battle when they tried to advance further to draw pressure away from Syria. The Israelis then crossed the Suez Canal. Major battles with heavy losses for both sides took place. At the same time, the Syrians almost broke through Israel's thin defenses in the Golan Heights, but were eventually stopped by reinforcements and pushed back, followed by a successful Israeli advance into Syria. Israel also gained the upper hand in the air and at sea early in the war. Days into the war, it has been suggested that Meir authorized the assembly of Israeli nuclear bombs. This was done openly, perhaps in order to draw American attention, but Meir authorized their use against Egyptian and Syrian targets only if Arab forces managed to advance too far. The Soviets began to resupply Arab forces, predominantly Syria. Meir asked Nixon for help with military supply. After Israel went on full nuclear alert and loaded their warheads into waiting planes, Nixon ordered the full scale commencement of a strategic airlift operation to deliver weapons and supplies to Israel; this last move is sometimes called "the airlift that saved Israel". However, by the time the supplies arrived, Israel was gaining the upper hand. Again, the US and Soviets feared that they would be drawn into a Middle East conflict. After the Soviets threatened intervention on the behalf of Egypt, following Israeli advances beyond the cease-fire