ZCZC JA06 261327 UTC OCT KALINGRAD NAV WARN 252/26 SOUTHEASTERN BALTIC SHIPS EXERCISES 312100 UTC OCT THRU 302100 UTC NOV IN AREA TEMPORARILY DANGEROUS TO SHIPPING BR-42 55-20.0N 020-08.0E 55-20.0N 020-25.0E 55-07.6N 020-25.0E 55-07.6N 020-08.0E CANCEL THIS MESSAGE 302200 UTC NOV NNNN