sentences:  Unlike her earlier half-sisters built in European Russia, her secondary armament initially consisted of eight single 34-K anti-aircraft (AA) guns mounted on each side of the rear funnel because the B-34 guns originally intended to be used had run into production problems.The 34-K guns were a stop-gap until the Army 52-K AA gun could be mated with the mount of the 34-K and put into production as the 90-K.They replaced the 34-K guns in May 1943.