TOP SECRET 1. 2. 3. 4. 5. 11. 12. 13. 14. 15. ANNEX I INDICATIONS OF RUSSIAN PREPARATIONS FOR WAR MILITARY Combined operations training on a large scale. The building of large numbers of landing craft. Development of an organisation for clandestine communication with and fuelling arrangements for submarines at remote points. A speed up in refitting programmes at shipyards. Increased attention to passive defence against air, chemical and biological attack, including :(a) unusual measure of industrial dispersal (b) the construction of underground factories and stores.