ZCZC JA18 061512 UTC NOV 26 VARNA RADIO NAVWARN 805/26 BLACK SEA.E OF CHERNY NOS.NAVY TRAINING. ARTILLERY FIRING FM 1000 TO 1330 UTC ON 10 NOV 2026 IN AREA BOUND BY: 43-01.3N 028-11.4E 43-00.0N 028-16.9E 42-55.0N 028-16.9E 42-53.0N 028-10.2E 42-59.4N 028-10.2E. DANGEROUS FOR NAVIGATION.VESSELS SHOULD KEEP A SAFE DISTANCE. NNNN