United States lightship Ambrose (LV-87)

It is one of a small number of preserved American lightships, and now serves as a museum ship at the South Street Seaport Museum in southern Manhattan, New York City.

This addition greatly assisted ships navigating the congested Ambrose Channel in dense fog.

LV-87 would also be the last steam-powered vessel to hold the Ambrose Channel post.

After the end of her Ambrose Channel assignment in 1932, LV-87 underwent a major refit, most significantly switching from steam propulsion to a direct drive Winton Diesel engine, as well as the removal of her anchor burton on her bow and a reorganization of her deck structures.

Afterward, the ship was assigned to various posts which included being used as an examination vessel during World War II.