Hi Carman;
Here are a couple of wedsites that will give you info on 420 Sqn:
http://www.rcaf.com/squadrons/420sqn.shtml
http://www3.sk.sympatico.ca/parkerdw/420webpage/
http://www.ingraham.ca/bob/joehicks5.html
Also, the name of a good book which includes them when they were part of No. 6 (R.C.A.F.) Group, Bomber Command:
"Reap The Whirlwind, The Untold Story of 6 Group, Canada's Bomber Force of World War II".
By: Spencer Dunmore and William Carter.
Published: 1991, By: McClelland & Stewart Inc., The Canadian Publishers; Toronto, Ontario.
ISBN: 0-7710-2924-1
Cheers
