0004
Keywords
Spanish Civil War intelligence lessons, Sino-Japanese War, air warfare, aircraft, air intelligence, technology, air raids, tactics, aerial attacks, anti-aircraft defence, Japanese air force, industry, imports, training, trade, ports, shipping, food supplies, military supplies, war materials, aerial attacks on ships, friendly fire, communications, transportation, bombing, high-explosive bombs, morale, naval bases, convoys, dockyards, casualties, effects of bombing, Chinese air force
