Just as the title says it would make for a interesting scenario considering that Israel were a close allie at the time of the attack and israel was fighting the six day war where they jammed american radar before the pre emptive air attack on egyptian air bases.
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No chance without reforming the Zionist influence on the government which would have its own set of implications.
If the crew of the ship went all out on spreading what happened to the media and common people then that would have alot of effect as the Vietnam war was raging at the time.
Well considering that a decent amount of the blame for the attack came due to the Labor Party's socialist policies in the military (namely viewing having one language as nothing but a social barrier, thus requiring troops and officers to call a translation center to communicate back and forth, and even having said translators have to talk to *OTHER* translators, making a fucked up game of telephone) it could have actually caused more of an uproar in the Jewish state than it did in our timeline. For one, it could have caused harder scrutiny against the Jewish Agency, and the Labor Party which may have revealed their internal election manipulation earlier than in ours (late 70's) and could have effectively not just created an opposition movement to the socialist establishment created by the Haganah, but outright disassembly of it. I propose that one outcome of this timeline would be a collapse of socialist Zionism as founded by Theodore Herzl, and the rebirth of Jabotinskist Zionism: the concept of absolute self sufficiency by and for the Jewish people, one where international trade is certainly welcome, but international lobbying is taboo.
I mean, it would be that, or the Jewish Agency just outrightly uses raw force to put down dissenters and squash any pretense of democratic or liberal values. Effectively making it: The Soviet Jewnion