sentences:  She was the last serving lightship and at time of its application as a landmark, one of only two capable of moving under their own power.She served as the lightship for such notable vessels as , , and .Her $300,000 cost, greater than that of any predecessor, was paid for by the White Star Line in compensation for the collision and sinking of United States lightship LV-117 at the Lightship Nantucket position by , a sister ship to .