The best and most highly trained of the naval air units was the first to be sent abroad. This was the Eastchurch squadron, under Wing Commander Samson. Just after the outbreak of war it had been sent to Skegness, to carry out patrol duties. On the 25th of August its commander was summoned to London by the Director of the Air Department, and was ordered to take his squadron on the following morning to Ostend, which had been chosen to serve as an advanced base for reconnaissance. They were to co-operate with a force of marines. Air Commodore Samson, in the reminiscences which he has kindly contributed for the purpose of this history, speaks with enthusiasm of the men and officers under his command. 'Never once', he says, 'were we let down by our men, and both in France and the Dardanelles they worked like slaves without a single complaint. It is an absolute fact that during these periods I never had to deal with a single disciplinary offence. They were the very pick of the Royal Naval Air Service.' The pilots, after receiving their orders, were kept waiting for a day at Eastchurch, to give time for the landing of the Marine Brigade. 'This depressed everybody,' says Air Commodore Samson, 'as we were all suffering from the fear of the war being over before we could get a chance to take part in it.' The fear proved groundless. On the 27th of August there flew over: Wing Commander C. R. Samson. Flight Lieutenant S. V. Sippe. Flight Lieutenant E. Osmond. Squadron Commander R. B. Davies. Flight Lieutenant C. F. Beevor. Squadron Commander E. F. Briggs. Flight Lieutenant I. H. W. S. Dalrymple-Clarke. Squadron Commander I. T. Courtney. Flight Lieutenant H. A. Littleton. Flight Lieutenant Lord Edward Grosvenor. An airship (No. 3) was flown across by Wing Commander N. F. Usborne, with him Flight Lieutenant W. C. Hicks and Flight Lieutenant E. H. Sparling. Squadron Commander R. H. Clark Hall, Captain Barnby of the Royal Marines, and four junior officers of the Royal Naval Volunteer Reserve were attached for special duties. The motor-cars, lorries, and stores were embarked at Sheerness on board H.M.S. _Empress_ and s.s. _Rawcliffe_. The machines that were flown over were a various assemblage--three B.E. biplanes, two Sopwith biplanes, two Bleriot monoplanes, one Henri Farman biplane, one Bristol biplane, and a converted Short seaplane fitted with a land undercarriage in place of the floats. Warrant Officer J. G. Brownridge, R.N., was in charge of the repair and upkeep of the aeroplanes. In these early days there were no distinguishing marks on aeroplanes; it was arranged that every machine should fly a Union Jack lashed to one of its struts, but this was not done. [Illustration: Prepared in the Historical Section of the Committee of Imperial Defence. Commander Samson's Operations in Belgium.]