ZCZC JA50 261226 UTC MAY KALINGRAD NAV WARN 109/26 SOUTHEASTERN BALTIC 1. SHIPS EXERCISES 312100 UTC MAY THRU 302100 UTC JUN IN AREA TEMPORARILY DANGEROUS TO SHIPPING BR-42 55-20.00N 020-08.00E 55-20.00N 020-25.00E 55-07.60N 020-25.00E 55-07.60N 020-08.00E 2. CANCEL THIS MESSAGE 302200 UTC JUN NNNN