ZCZC JA12 261332 UTC AUG KALINGRAD NAV WARN 203/26 SOUTHEASTERN BALTIC SHIPS EXERCISES 312100 UTC AUG THRU 302100 UTC SEP AREA TEMPORARILY DANGEROUS TO SHIPPING BR-161 55-09.5N 019-45.3E 55-09.5N 020-00.0E 55-02.0N 020-00.0E 55-02.0N 019-39.6E CANCEL THIS MSG 302200 UTC SEP NNNN