 Complete the following phrase:  In March 1915 Samson was sent to the Dardanelles with No 3 Squadron later No 3 Wing; it was based on the island of Tenedos and, together with seaplanes from HMS Ark Royal, initially provided the only Allied air cover. On arrival, it was found that out of 30 aircraft that had been sent in crates, only 5 were serviceable BE2s and a Nieuport 10. His squadron pioneered the use of radio in directing the fire of battleships and photo-reconnaissance. Samson flew many missions himself and on 25 April at the 