CL-50 Helena Cruiser Assembly 1/700 Ship Model Deluxe Edition | VEE HOBBY E57019CL 50 Helena Cruiser Assembly 1 700 Ship Model Deluxe Edition VEE HOBBY E 57019 Deluxe Edition Extra ContentMetal parts, metal etchings,metal chains, wooden decks,resin parts. Background: The Helena was the last Brooklyn class artillery light cruiser of the United States Navy. This class of ship is a product of the 1930 London Naval Treaty. Due to this treaty only allowing the United States to build two more Washington Treaty type heavy cruisers (CA44