Now that New Caird was docked, her engine could also be put to use in getting Ymir spun around. But this one maneuver—a 180-degree flip, which would have seemed comparatively simple in a small craft such as an arklet—was fraught with difficulties and complications in something as huge and asymmetrical as Ymir . Anticipating a need to use the thrusters, Dinah sent robots out to inspect them during that first "morning," and Vyacheslav suited up and went out to do a bit of troubleshooting on a propellant line that had somehow become kinked. But so ponderous were the shard’s movements that the actual rotation, end-over-end, consumed eight hours, and tweaking it into precisely the right orientation then took another six.