No he wasn't referring to the TT18s, Tim, he was referring to the two RAE B6/8s operated by HAMM/Air Platforms/Air Power (WT327 and XH567). And to half of XH568.
"The company in question has two and a half ex RAE Canberras Tim, the half an airframe being from the one that used to fly on the UK display circuit and was stripped for spares and its nose earlier this year."