sentences:  It was assembled by Flight Lieutenant John Alcock at Moudros, a Royal Naval Air Service base in the Aegean Sea.Alcock took the forward fuselage and lower wings of a Sopwith Triplane, the upper wings of a Sopwith Pup and the tailplane and elevators of a Sopwith Camel, and married them to a rear fuselage and vertical tail surface of original design (presumably by Alcock himself).It was powered by a 110 hp Clerget 9Z engine, and carried a .303 Vickers machine gun.