Patent ID: 7278347

Claim:
A submarine comprising: a submarine pressure hull; an extending apparatus connected to said submarine pressure hull and having a telescopically operated free end movably extendable with respect to said pressure hull; a tower connected to said pressure hull, said tower extending outside said submarine pressure hull; a pressure container defining a closed volume protected from an external environment and resistant to underwater pressure, said pressure container being arranged on said free end, outside of said submarine pressure hull, said extending apparatus being arranged in said tower, said extending apparatus being protracted from said tower in a use position and retracted into said tower in an unused position, said extending apparatus being located outside said pressure hull; and an essentially recoil-free gun arranged in said pressure container, wherein said pressure container is openable to deploy said gun whereby said pressure container may be moved at least partially above a water line with said submarine pressure hull underwater allowing firing of said gun without surfacing said submarine pressure hull.