On page 341 :
https://www.scribd.com/document/2007...-C-G-P-O-W-E-R
"Some days later, on the 9th, F/Os D. M. (Bitsy) Grant and J. W. Pace, pilots in the original R.C.A.F. overseas squadron, made a record ground strafe from Ault to St. Valery-en-Caux. Flying along the railroad line between Gamaches, Aumale and Serqueux they attacked in succession 16 locomotives, destroying or damaging at least 12."
Search for Grant on page:
http://www.rwrwalker.ca/RAF_owned_AG100.html
"AG577 Mustang"
"Served with No. 400 Squadron, RCAF, coded "F". Shot down by flak on 29 September 1943, during Rhubarb mission to Ault area. F/L D.M. Grant, DFC killed."