ZCZC IA93 NAVAREA I 91/26 NORTHERN NORTH SEA TO NORWEGIAN BASIN SOUTHWARDS. 1. MILITARY EXERCISE INCLUDING LIVE WEAPONS FIRING IN PROGRESS FROM 180001 UTC TO 292359 UTC MAY IN AREA BOUND BY 65-30N 008-00W 65-30N 012-00E 57-30N 012-00E 57-30N 008-00W. 2. MARINERS ARE REQUESTED TO NAVIGATE W ITH CAUTION KEEP CLEAR OF ALL NAVAL SHIPS WHICH MAY BE UNLIT AND PAY ATTENTION TO SIGNALS SHOWN. 3. CANCEL THIS MSG 300100 UTC MAY 2026. NNNN