Smart Docking Aid adds two new SAS modes to level 3 probe cores and level 3 pilots. Most KSP-players know the issue with aligning two docking ports correctly while docking two ships or station parts together. Smart Docking Aid's new mode aligns the player controlled ship's docking port to the target docking port. So you only have to translate your ship in front of the target docking port and move forward until it docks. There is no more weird camara movement nessassary to see if you will dock properly or ram your target out of orbit.
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