Back in the early '70's streaking was all the rage.
BZN Sgt's mess bar was fairly crowded one night when, from a door at the far end a streaker suddenly appeared, with a brown paper bag over his head.
He dashed the length of the bar and was gone in a flash.
''Who the f***k was that?'' growled a grizzled old Chief.
''Well he wasn't from 99 Sqdn'' cried an attractive young female Loadie.
Silence, as questioning eyes all turned towards to her