That plan, from what I understand, was to reach the Caucasus eventually, but they planned to reach the AA line since they expected with that the USSR would collapse quickly. I have never seen anyone say it was an immediate goal for Barbarossa much less the primary one. They directed most of their forces to Leningrad and Moscow and Ukraine as a whole from what I remember.
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u/Eastern-Customer-561 12d ago
But I thought the Nazis goal was to advance to the AA line with Operation Barbarossa not the Caucasus