sentences:  He was then transferred to No.22 Squadron to fly the Bristol F.2b fighter/reconnaissance aircraft in "A" Flight, paired with Lieutenant Charles George Gass as his gunner/observer.On 7 May Atkey and Gass took part in an historic dogfight north-east of Arras, known as the "Two Against Twenty", when Atkey and Gass, with John Gurdon and Anthony Thornton, fought twenty German scout aircraft.