Some 'do' in the mess with copious totty floating around.
Bas repairs to loo to return some beer and, whilst in the process of doing so, in walks stark naked Squadron Leader who also proceeds to 'syphon the python'.
Bas: "Good evening, Sir."
SN Sqn Ldr: "Good evening."
Bas leaves first and loiters around entrance hall to see if departure of SN Sqn Ldr will co-incide with arrival of (almost) fully clothed giggling girls. No such luck! The gentleman emerged and disappeared of into the darkness of the west wing - Rats!