 Although the others were quickly located, the bomb which had fallen into the ocean could not be located promptly.The U.S. Navy responded to the coast off Spain with an 18-ship, 2,200-man recovery task force under Admiral William S. "Wild Bill" Guest.In addition to military ships, the civilian-crewed "Aluminaut" and deep-sea submersible "Alvin" were both used to respond to this urgent situation as part of the task force, along with other specialized equipment.