Heinkel He 111 Z (Zwilling) :This was a design that entailed the merging of two He 111s. The design was originally conceived to tow the Messerschmitt Me 321 glider. Initially, four He 111 H-6s were modified. This resulted in a twin-fuselage, five-engine aircraft.10 were produced and five were built from existing H-6s.It could tow a Gotha Go 242 glider or Me 321 for up to 10 hours at cruising speed. They were also planned as heavy bombers.
An overhead view of a Vickers 'Valiant' B(K).1 aircraft of 49 Squadron RAF undergoing preparations for a flight at its base of RAF Wittering, Cambridgeshire, April 1964. The aircraft is painted in dark green and medium grey tactical camouflage reflecting the change from the high to low-level flying adopted in early 1964.