Hello,
For starters, take a look here:
http://static.awm.gov.au/images/coll...25_002--1-.pdf
See: p.152 of 236.
The pilot, P/O Ratcliffe, had competed three ops. The crew were on their first op.
The letters after Ratcliffe's name (A.T.C.L.), indicate he was an Associate of Trinity College of Music, London.
Col.