ZCZC JA62 230940 UTC JUL 26 KALINGRAD NAV WARN 173/26 SOUTHEASTERN BALTIC SHIPS EXERCISES 312100 UTC JUL THRU 312100 UTC AUG IN AREA TEMPORARILY DANGEROUS TO SHIPPING BR-161 55-09.50N 019-45.30E 55-09.50N 020-00.00E 55-02.00N 020-00.00E 55-02.00N 019-39.60E CANCEL THIS MESSAGE 312200 UTC AUG= NNNN