ZCZC JA44 150850 UTC JUL LATVIAN NAV WARN 021/26 SOUTH-EASTERN BALTIC. LIEPAJA SOUTHWARDS. FIRING EXERCISE IN PROGRESS ON JULY 16 FROM 0300 UTC TO JULY 17 2000 UTC IN AREA JURMALCIEMS WITH A RADIUS OF 9 NM FROM CENTER PSN N 56-16.00N 020-47.00E AREA CLOSED FOR NAVIGATION DURING EXERCISE WIDE BERTH REQUESTED INFORMATION ON RESTRICTIONS ON VHF CH 16 CANCEL 172000 UTC JUL NNNN