I think the fear was that subjecting a PCB to the vibrational stresses imposed during launch could possibly crack traces or solder joints. Even with P2P, they s

I think the fear was that subjecting a PCB to the vibrational stresses imposed during launch could possibly crack traces or solder joints. Even with P2P, they spotwelded where they could. Whatever the reasons, the equipment proved to be reliable. I don't think there was a single comms failure across the entire program.