SUBJECT. COLLECTION. COLLATION. DISSEMINATION. II. PASSIVE AIR DEFENCE. (i) Civil. (a) Policy and Organisation. H.O. via Admy. W.O., A.M. H.O. H.O. (b) Personal equipment. " H.O. and A.M.* (c) Demolition and Repari equipment. " H.O. Who should issue Summaries for each country. (d) Fire fighting equipment. " H.O. (e) Training. " H.O. (ii) Naval Establishments. Admy. Admy. Admy. (iii) Army Establishments. W.O. W.O. W.O. (iv) Air Force Establishments. A.M. A.M. A.M. (v) Defences. Structural protection.