Commissioned Officer. You hold the Queen's commission. The scroll you receive after IOT tells you all about it.
NCO. You don't.
Red sauce, Brown sauce.
The Telegraph, The Sun
Black Lab, Bulldog
Rupert, Baldrick
Cranwell, Halton
Pilot or WSO, A N Other but Pilot or WSO
Say "Charge him", Charge him
Outrank them but know v little, be outranked but know a lot.
Commission, Common sense (someone's gotta bite on that one !)
The Creche, The OAP home
And not a hint of generalisation in the above !!!