ZCZC EL91 SUBS AND GUNS 736/26 FOST. SUBFACTS AND GUNFACTS WARNING (ALL TIMES UTC). 1. DIVED SUBMARINE OPERATIONS IN PROGRESS: PORTLAND APPROACHES - START POINT TO SAINT ALBANS HEAD. BETWEEN 250700 AND 251800 SEP. PORTSMOUTH APPROACHES - SAINT ALBANS HEAD TO SELSEY BILL. BETWEEN 250700 AND 251600 SEP. 2. LIVE GUNNERY FIRINGS IN PROGRESS: PORTLAND APPROACHES - START POINT TO SAINT ALBANS HEAD. BETWEEN 250700 AND 251500 SEP. FULL DETAILS IN HM COASTGUARD RESCUE CENTRES VHF AND MF BROADCASTS OR CONTACT NAVAL OPERATIONS PHONE (44) (0)1752 557550. 3. CANCEL SUBS AND GUNS 734/26 (EL90). NNNN