93 Class, Collingwood, 1958-1959. C-in-C's Inspection

JME Winston Pyle, P/K977574 provided this photograph. He doesn't remember the exact date or many
of the boys names. The names he does recall are PO Boy John Cobb, Divisional Officer Lt Duncan.
His instructor was POGI Pete ?.
PO Cornwall was the instructor of 144 class.
If anyone would like to contact Winston he said he'd love to hear from you and that he's on "Friends Reunited".