No. 3 Squadron on Salisbury Plain. Co-operation with artillery and infantry. Military aeroplane trials. 'Military airmen also flew.' Co-operation with cavalry. No. 3 Squadron at the manoeuvres of 1912. Lessons of the manoeuvres. Winter difficulties. Manoeuvres of 1913. Reports by Major Brooke-Popham and Lieutenant Barrington-Kennett. Details and efficiency. Experiments with machine-guns; and with cameras. The first night flight. Non-commissioned pilots. Major McCudden on No. 3 Squadron. No. 2 Squadron. Major C. J. Burke; his story and character. His maxims. His famous machine, the first B.E. The squadron moves by air from Farnborough to Montrose. Practice at St. Andrews. The Irish Command manoeuvres of 1913. Statistics of the squadron. Captain Longcroft's long flight. Major Burke's diary. Other squadrons. The Concentration Camp at Netheravon. Reconnaissance in war. Other uses of aeroplanes at first claimed for airships. Uses ultimately found for aerial acrobatics--the loop, the spin. The machine-gun and the pusher machine. Aerodynamical knowledge. The S.E. 5. The 'Christmas tree'. Importance of engine power. The Naval Wing. Problems of defence. Coastal stations. Seaplanes at the naval manoeuvres of 1913. Mr. Churchill's programme. Detection of submarines. Bomb-dropping experiments. Anti-airship experiments. Machine-guns. The Central Air Office, Sheerness. Poor supply of munitions. Separation of the naval and military wings. The Royal Naval Air Service at the Naval Review, 1914. War orders. German aviation British report on the 'Prince Henry Circuit', May, 1914. The coming of the war. CHAPTER VI. The War: The Royal Flying Corps from Mons to Ypres. pp. 277-356