ZCZC JA52 261241 UTC MAY KALINGRAD NAV WARN 111/26 SOUTHEASTERN BALTIC 1. SHIPS EXERCISES 312100 UTC MAY THRU 302100 UTC JUN IN AREA TEMPORARILY DANGEROUS TO SHIPPING BR-117 55-54.00N 019-03.00E 55-30.00N 020-15.00E 55-04.00N 020-15.00E 54-57.50N 020-06.00E 54-57.50N 019-55.00E 54-50.00N 019-50.00E 54-50.00N 019-25.00E 2. CANCEL THIS MESSAGE 302200 UTC JUN NNNN