Enlarged crop form next image. To my eyes it looks to be nicknamed "PARNELL JOB". I have tried to research that name but no luck so far.
B25 Wakde Island 11 May 1944 close crop by
Andrew, on Flickr
B25 Wakde Island 11 May 1944 by
Andrew, on Flickr
F1 shipping close up by
Andrew, on Flickr