There is no question that highly intelligent planning was done by the Israelis- in terms of strategy, psychology, troop training,intelligence and weapons. But the fact that this extremely complex operation was so successful in spite of the high risk of failure - obviously places it in the realm of the miraculous. In other words it would have been totally natural for Israel to have failed. It was not inevitable that they would win. In fact a friend of mine who was there and fought in the war said the atmosphere was extremely pessimistic and the Israelis were expecting huge casualties and that their highest expectation was to avoid defeat.
Igros Moshe(Y.D. 4:8.2): Concerning the matter of the Jews who were hijacked in Uganda and then were saved by [Israeli] soldiers who went to Uganda. It is reasonable that this should be considered an open miracle. That is because in the normal course of events it would not be possible that such a thing be successful. Whatever is done in the world is only by the hand of G‑d – whether it is for the good or whether it is – G‑d forbid - ! the opposite. He causes the blow and the cure. He caused that these Jews be captured. But He also caused that they were rescued by means of giving these soldiers special courage and motivation so that they were able to save the captives. He also arranged circumstances so the soldiers in fact were successful. Nevertheless the reasons that G‑d did a miracle through sinners are hidden from us. Furthermore it is prohibited for any man to be “wise” and raise question against G‑d’s actions. Rather it is necessary for us to be innocent and accepting whatever G‑d does as it explicity says in the Torah (Devarim 18:13)