ZCZC JA51 261237 UTC MAY KALINGRAD NAV WARN 110/26 SOUTHEASTERN BALTIC 1. SHIPS EXERCISES 312100 UTC MAY THRU 302100 UTC JUN IN AREA TEMPORARILY DANGEROUS TO SHIPPING 55-32.00N 019-01.60E 55-32.00N 019-50.00E 55-03.00N 019-35.00E 54-46.40N 019-35.00E 54-50.30N 019-20.30E 55-11.50N 019-09.20E 55-20.00N 019-04.60E 2. CANCEL THIS MESSAGE 302200 UTC JUN NNNN