Michael, that’s very true. Being training vehicles, they probably had a few mishaps with trainees and needed extra maintenance too. Just my guess.
Ken, agreed. It’s inconclusive currently.
When the model gets finished the probability of a new photo being found with the set of wheels I didn’t pick will increase by a factor of at least a thousand. LOL 
Hull side
Added details, shock mount, pin pusher plate, rear plate interlock, texture & joining strip or at least the part of the joining strip that’s slightly visible.
Have a few more fiddle bits to add later.