Personalized flotation devices weren't part of the equipment issued to naval sailors right up until the early 19th century, for example at the Napoleonic Fight of Trafalgar, although seamen who had been press-ganged into naval support may need utilised this sort of devices to jump ship and swim to flexibility.[citation https://dafflotationequipment47024.blogspothub.com/32789764/the-smart-trick-of-air-floatation-device-that-nobody-is-discussing