sentences:  Light AA guns initially consisted of six semi-automatic 21-K AA guns, ten fully automatic 70-K AA guns, and six machine guns, but were significantly increased during the war.By 1945 "Kalinin" had exchanged her 21-K guns for nine additional 70-K guns, of which four were mounted on turret roofs and the others in the superstructure.By 1957 her light anti-aircraft armament consisted of only nine powered twin-gun 37 mm V-11 mounts.