ZCZC EL11 AUTHORITY - FLEET OPERATIONAL SEA TRAINING, HM NAVAL BASE, DEVONPORT. 291300Z OCHM U_UHONONONGPS _FOST SUBFACTS AND GUNFACTS WARNING (ALL TIMESMIH_ SBON_N _DIVED SUBMARINE OPERATIONS IN PROGRESS: SOUTHWESTERN APPROACHES - ISLES OF SCILLY TO LIZARD POINT. BETWEEN 291600 AND 302359 OCT. PLYMOUTH APPROACHES - LIZARD POINT TO START POINT. BETWEEN 291600 AND 302359 OCT. 2. LIVE GUNNERY FIRINGS IN PROGRESS: PORTLAND APPROACHES - START POINT TO SAINT ALBANS HEAD. BETWEEN 291600 AND 292359 AND BETWEEN 300800 WM P_UP__I_MWPHFSJMFMDBM_Z_H_CYWMYPJ_CPM_PHYPJM D_MWM_ROADCASTS OR CONTACT NAVAL OPERATIONS PHONE (44) (0)1752 557550. CANCEL EL10 NNNN