Israel Navy's submarine fleet: an intimate but demanding unit The navy's submarine fleet is due to triple in size in the coming years. A glance into the intense lifestyle of soldiers in this most secretive unit. The Israel Navy's submarine fleet is one of the Israel Defense Forces' most intimate units. The atmosphere in the unit derives not only from the nature of its missions, which require several dozen men to remain together underwater in an iron tube for many long days, but also because very few soldiers serve in the unit. In the coming decade, the fleet is to...