2 REPORT No. 1. EFFECT OF AIR WARFARE ON SEA COMMUNICATIONS. CONTENTS. GENERAL CONSIDERATIONS. Paragraphs Scope of the Report 1–2 Relative Strength, and Standards of Equipment of opposing Air Forces 3 General Factors affecting the situation in Spain 4 General Factors affecting the situation in China 5 General Factors affecting the situation in both Theatres of Operations— A.A. defences 6–7 Belligerent rights 8–9 Comparison of Air Forces Engaged— Spain 10–14 China 15–21 GENERAL DESCRIPTION OF SEA COMMUNICATIONS Republican Spain— War trade routes 22 Ports available 23–24 Nationalist Spain 25 China 26–28 POLICY ADOPTED IN ATTACKING SEA COMMUNICATIONS.