Flt Lt Gallienne
You list the above as killed in a Valiant.
There was such a Name killed in a Victor accident from Marham in about 68. The Victor was climbing from Marham and collided with a Canberra inbound from Germanyfor a range sortie
Bill lived next door but one to me in MQs, I heard the crash
It may be the two accidents are being confused because Gallienne is an unusual name, Gurnsey I think