ZCZC FA39 091630 UTC MAY ESTONIAN NAV WARN 69/2026 NORTHERN BALTIC SEA. 091000 - 150500 UTC MAY SW OF SORVE PS NAVAL OPERATION IN AREA BOUNDED BY: 57-55.2N 021-46.6E 57-55.2N 021-47.6E 57-54.6N 021-47.6E 57-54.6N 021-46.6E SHIPPING IN AREA TEMPORARILY PROHIBITED. CANCEL 150500 UTC MAY. NNNN