This picture from Bob Oakley - TA15

TA15
Not a lot of luck with most of the faces, but:-
Front row:
?, Bob Oakley, ?,?,?,?, Nigel Phillips, ?
and, is that Martin Peters second from the right in the middle row?

Also, from Nigel Phillips, Middle row: 6th from left is George Martin and extreme right is Arthur Chesterman
and, from Roger Tone, Middle Row 5th from left could well be D.R. (Dave) Whitaker